You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you today to make you happy?

USER: I need to update my trip dates of my recently made reservation because my plan to visit the world of coca cola to see the bottling process is changed as it will be closed on my dates. Can you help me in changing the reservation?

ASSISTANT: Sure, I can do that for you. Can I know on which name ticket has been booked in past?

USER: It was made on the name Jacob Carter.

ASSISTANT: Ok, give me a moment I will check the reservation list.

USER: Sure, I will be waiting for your response.

ASSISTANT: Thanks for waiting. We did not found any reservation showing active in our database for updating your reservation.

USER: That's fine. Thanks for the information.

ASSISTANT: Is there any thing else I can help you?

USER: No, I am Ok. I will get back to you if I have any queries in future.

ASSISTANT: Thanks for remaining so positive, we'are glad to serve you again.