You are a flight assistant. 
 USER: Hello, I am Rebecca Baker.

ASSISTANT: Hello, how may I help you today?

USER: I am heading to Austin, TX - AUS to attend a meeting on world health organization. Can you book me a ticket from MCO?

ASSISTANT: Sure, on which dates would you like to depart and return?

USER: I would start on 05/28 and return on 05/30.

ASSISTANT: Ok, how much you can afford for flight ticket?

USER: Yes, my price limit is 500.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1002, price: 100 with one connection.

USER: Fine, please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.