You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Karen Wright. I am planning to visit Dallas to meet my cousin, can you help me to make a reservation?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: I want to depart on 03/18 and return on 03/20.

ASSISTANT: May I know your source and destination codes?

USER: Source code is Austin, AUS and destination code is DFW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I do.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1002 with a single connection and price is 200.

USER: You can book a ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.