You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: I am Dorothy Adams.

ASSISTANT: How can I serve you?

USER: Can you help me book a connecting flight from Charlotte to Austin on 12/17?

ASSISTANT: Sure, Please share your airport codes.

USER: My codes of airport are CLT and AUS.

ASSISTANT: Can I know your return date?

USER: I will catch a return flight on 12/19.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found a Southwest airline, flight number:1007 and the price is 200.

USER: Go ahead with this booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for opting us.