You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Cynthia Smith, can you help me to book a flight with 200 price limit?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: Please mention me your location airport codes.

USER: My airport codes are AUS and SFO.

ASSISTANT: Here is a flight with 1 stop over and price is 200 in Delta airlines, can I proceed with it?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked with 1009 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.