You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Gregory Wright. I want a flight ticket on 12/27 to meet my sister family, can you book a return ticket on 12/29 from St.Paul?

ASSISTANT: Sure, I am perky to help you. Let me know your airport codes of journey?

USER: I will take flight from DC-IAD to MN-MSP.

ASSISTANT: Kindly share, if you have any specifications.

USER: I need a halt in between the journey. My budget for flight ticket is 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with AA airline, flight number 1013 with fare 100 and a lay by.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us. Have a cheerful day.