You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: As I am planning to meet my parents at Austin. Can you help me book a flight ticket from Charlotte within the price of 200?

ASSISTANT: Sure, may i know your travel dates please?

USER: I would like to travel on 12/29 and return on 12/31.

ASSISTANT: May I know your airport codes please?

USER: My journey is from CLT to AUS.

ASSISTANT: There is a single connection flight with 100 fare, can I proceed for booking in Frontier airlines?

USER: Proceed for booking.

ASSISTANT: On which can I proceed for booking?

USER: On the name of Stephen Robinson.

ASSISTANT: Your booking is done in 1014 flight.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.