You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a connecting flight on Feb 27?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes are IAH and IAD.

ASSISTANT: Can I know when your willing to return?

USER: Please book a return ticket on Feb 29.

ASSISTANT: Do you need any connection limit?

USER: I mentioned above please check.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name for reservation?

USER: My name is Donald Thomas.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 23:00 hours and arrives at 14:00 hours, shall I book your ticket in this flight?

USER: Proceed with booking.

ASSISTANT: Your ticket is confirmed in flight 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us.