You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Robinson.

ASSISTANT: James, how can I assist you?

USER: I have a meeting to attend at Charlotte. Can you help me in booking a ticket from DTW to CLT?

ASSISTANT: Sure, please share your travel dates.

USER: My planned journey dates are 06/14 and 06/16.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for contacting us.