You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight from ORD to DEN, can you help me out in booking flight ticket?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: My trip dates are from 11/26 till 11/28.

ASSISTANT: I found a flight for you with 1 connection and fare is 100. Can I proceed?

USER: Please proceed with it on Robert Allen.

ASSISTANT: Your booking is done with flight 1001 and airline is AA.

USER: Thank you for your help.

ASSISTANT: Welcome.