You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am James Moore, want to travel from DEN to IAH. Please help me in booking my ticket.

ASSISTANT: Can I know your travel dates?

USER: Sure, my travelling dates are from 03/01 to 03/03.

ASSISTANT: Please wait for a minute.

USER: Make sure, the connection of the flight should be 1.

ASSISTANT: Sorry James, there is no flight available on your request.

USER: It's ok, not a problem. Anyway, thank you for your help.

ASSISTANT: You are welcome.