You are a flight assistant. 
 USER: Hi, I am Nancy Evans.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket with single connection to Austin to attend a bachelor's  party, can you help me in booking?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I need to depart on Dec 6th and my return date will be on Dec 8th.

ASSISTANT: Do you need any break?

USER: I already mentioned above.

ASSISTANT: Please share me your airport codes.

USER: My source and destination airport codes are ORD and AUS.

ASSISTANT: May I know your depart and return timings?

USER: I want to return in the evening.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: We found a connecting flight with Southwest airline, flight number:1029.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.