You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I have planned to book a plane ticket from SFO to AUS, can you assist me in booking my ticket?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My preferred dates are Sep 21st and Sep 23rd.

ASSISTANT: Is there any connection limit?

USER: I need single connection between my trip.

ASSISTANT: Do you have any other preferences?

USER: No. you can proceed booking.

ASSISTANT: May I know your name?

USER: Debra Phillips.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a connecting flight in Spirit Airlines with flight number 1004 having an economy class. Shall I proceed for booking?

USER: proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.