You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Davis.

ASSISTANT: How may I guide you today?

USER: I want to attend a meeting in Charlotte. Can you book a ticket from JFK to CLT?

ASSISTANT: Sure, I will help you with that. Can you please share your journey dates?

USER: I would like to travel on 04/03 and 04/05.

ASSISTANT: Wait for a minute.

USER: Ok, take your time.

ASSISTANT: I am sorry to say that there is no flight found.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for contacting us.