You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Cynthia Wright. Can you help me to book a flight from AUS on 04/30?

ASSISTANT: Sure, please help me with your destination code and arrival date.

USER: My destination airport code is PHX. I will be return on 05/02.

ASSISTANT: Frontier airline with 1 connection is available and the price is 100. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: You are most welcome.