You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Paul Allen. I want to book a flight ticket from IAH to ATL. Could you help me?

ASSISTANT: Sure, could you please provide you travelling dates to search for the flight?

USER: My travelling dates are from 07/29 to 07/31.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Sure, take your time.

ASSISTANT: May I know your connection limit to proceed further?

USER: Yes, I need 1 connection flight.

ASSISTANT: Sorry to say, no connected flights were found on your route.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for helping me.