You are a flight assistant. 
 USER: Hello, my name is Barbara Moore.

ASSISTANT: Hello. How may I help you today?

USER: I need to book a connecting flight from Chicago to attend a live concert a Washington. Can you help me with the booking?

ASSISTANT: Sure, kindly mention your fare limit.

USER: It should be within 5000. I would like to travel on 07/12 and 07/14.

ASSISTANT: Could you please let me know your exact airport codes to proceed further.

USER: From ORD, I need to reach IAD.

ASSISTANT: Just a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an AA airline matching your essential details with the flight number-1010 and the single connection.

USER: Book my ticket with this airline.

ASSISTANT: Your reservation is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you.