You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I help you?

USER: I am Barbara Evans. I want to visit some places in Austin, Can you please book a ticket with price 500?

ASSISTANT: Sure, May I know your journey dates?

USER: My journey dates are 03/20 and 03/22.

ASSISTANT: May I know the journey codes?

USER: My source is Philadelphia, PA - PHL. My destination airport code is TX - AUS.

ASSISTANT: May I know the connection limit?

USER: I am looking for single connection.

ASSISTANT: We found a flight from Frontier airline and flight number is 1005. Price 200 with one connection. Shall I do the reservation?

USER: Ok, you can proceed for reservation.

ASSISTANT: Your reservation has been done.

USER: Thanks for booking.

ASSISTANT: Thank you, Have a happy journey.