You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I have a plan to visit Los Angeles zoo, please book a flight ticket under price 5000.

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: I want to fly from SFO to LAX.

ASSISTANT: Can you please share your depart and return dates?

USER: My travelling dates are from Aug 11 to Aug 13.

ASSISTANT: Do you need connecting flight?

USER: I need a connection in between the journey.

ASSISTANT: May I know your name please?

USER: I am John Martinez.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Spirit airline, flight number: 1020, price: 200 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you for the reservation.

ASSISTANT: Thank you for opting us.