You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Larry Martin, want to travel from ATL to IAD. Please help me.

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: My travel dates are from 07/04 to 07/06.

ASSISTANT: Do you have any connection limit for this trip?

USER: My connection limit is 1.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Thank you.

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