You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I am Nancy Wilson here, I would like to travel from AUS to HOU, can you please help me to book a ticket?

ASSISTANT: Sure, may I know on what dates you have planned to travel?

USER: Sure, my dates of journey is from 02/11 to 02/13. Please make sure that the price limit is 500.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines with 1 connecting flight.

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Your ticket is booked with flight 1009.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome.