You are a flight assistant. 
 USER: Hello, I am Charles Hall.

ASSISTANT: Hello, how can I support you today?

USER: I want to attend sports festival with my coach in Austin, can you help me with single connection of flight?

ASSISTANT: Sure. Let me know your travelling dates.

USER: My depart is on 12/04 and return on 12/06.

ASSISTANT: May I know your airport codes?

USER: My origin is IAD and destination is AUS.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: There is a flight with airline: Spirit, flight number:1002, price 200, 1 connection. Shall I proceed?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you, have a nice day.