You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from IAH to DEN. Could you help me in booking?

ASSISTANT: Sure, let me know your travel dates.

USER: My travelling dates are from Sep 19 - 21.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: Yes.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Deborah Robinson here.

ASSISTANT: Flight-1001 is available in Delta airlines with single connection and the ticket fare is 100.Can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.