You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Emily Campbell, can you help me to book a flight from AUS on 06/18?

ASSISTANT: Sure, may I know your destination airport code please?

USER: I would like to return from PHL on 06/20.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Southwest airlines is available in your rote with the ticket fare of 200, shall I proceed with the booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1010.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.