You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I'm Helen Roberts here. I just want to travel from TX-AUS on 01/30 to meet my aunt at Denver.

ASSISTANT: When you want to travel? Return date please?

USER: My destination airport is DEN and return date is 02/01.

ASSISTANT: Flight-1029 with Spirit airlines is available, shall I proceed for booking?

USER: May I know the price of this flight please?

ASSISTANT: The fare is 200.

USER: That's perfect, please confirm it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support in booking a ticket.

ASSISTANT: You are welcome.