You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to book a flight ticket from HOU to AUS, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I would like to travel on 12/22 to return on 12/24.

ASSISTANT: May I know your name to proceed further?

USER: Carolyn Allen here.

ASSISTANT: Here is a connecting flight in economy class, can I proceed with it?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked with 1003 flight in Spirit airlines.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.