You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Jerry Edwards want to book a flight ticket from New York on 03/20 and return on 03/22, so can you please book me a flight ticket to Los Angeles?

ASSISTANT: Sure, how much can you pay for the ticket?

USER: I can pay up to 1000.

ASSISTANT: Please mention your airport code.

USER: Sure, my airport codes are NY-LGA and CA-LAX.

ASSISTANT: There is an JetBlue airline with flight number 1009 and price of 200 available for you at this moment.

USER: Please go ahead with booking.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.