You are a flight assistant. 
 USER: Hello. Cynthia Jackson here.

ASSISTANT: Hello, how may I provide assistance for you?

USER: I would like to meet my childhood friend in Austin, so can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, what dates would you like me to book this ticket for?

USER: I am planning to go on 11/20 and please book a return ticket on 11/22.

ASSISTANT: Ok, may I know your price limit to search for the flight?

USER: I need a flight with in the fare of 500.

ASSISTANT: Noted, kindly can you share your airport codes?

USER: Sure, I want to travel from SFO to AUS.

ASSISTANT: Ok, there is a flight 1000 in AA airline matching your details with price 200. Shall I proceed with your booking?

USER: Sure, I am ok with this, you can proceed with booking.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your help, have a good day.

ASSISTANT: You are welcome. Have a safe journey.