You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to prefer a flight with lay-by option for my business trip to San Francisco. Can you book the flight ticket?

ASSISTANT: Sure, can I know your trip dates?

USER: The trip dates are from 14 June to 16 June.

ASSISTANT: May I know your airport codes?

USER: The airport codes are from MCO to SFO.

ASSISTANT: Which class do you prefer?

USER: That does not matter.

ASSISTANT: Ok, may I know your airline preference?

USER: No, I do not have it.

ASSISTANT: Please provide your name.

USER: I am James Young.

ASSISTANT: We found a flight of Hawaiian airline, flight number 1001 with the fare of 200.

USER: I am fine with the airlines. You can book the flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.