chatbot tweaking and improvement needed

Hello client, I read your job posting carefully and am very interest in your project. I am a full stack developer with great experience and skills in machine learning/AI, block chain, AR and Web/Mobile(iOS/Android) development for over 6 years long. I've always been giving clients satisfaction with the great quality of work. If you work with me, I will provide you with top quality on time. Wish you could not lose an amazing opportunity to work with an amazing developer. Thanks in advance.

Hello, I have been working as a front end developer for the past 6+ years. I have hands-on experience of working with Html, CSS, JavascriptAjax, Angular js, I can fulfill your requirement with the quick time period. I am new on freelancer but I have a positive attitude toward work also have 5+ year of working experience. Hope to hear from you. Thanks, Vikas Singh.

Hi, Greetings!! Hope you are doing well. I have gone through your entire project details and we would like to introduce ourselves as a potential solution provider for the same and build up a long lasting, mutually beneficial business relationship with you. Project understanding:- As per the project description I have a basic understanding of what you are looking for i.e to improve the existing Chatbot and add some additional features to the same & we are confident enough to provide you the solution according to your needs. Our Expertise:- We have team of experienced JavaScript developers who would be glad to help you out any way they can. Also, we are having more than 6+ years of experience in JavaScript framework so, I am sure that we would be able to provide you the best possible solution as per your requirement. Furthermore, It’s still my early days on this site and hence you can see that I do not have many ratings/testimonials to show you but I assure you absolute quality and timely delivery of the project. Hoping for your earnest reply. Thanks & Regards, S.G