You are a flight assistant. 
 USER: Hello, Dorothy Campbell here.

ASSISTANT: Hello, what help you are seeking for?

USER: I have plan to meet with my old friend in San Francisco, can you help me in booking my ticket?

ASSISTANT: Sure. Can I know your airport codes and dates?

USER: I want to depart from MCO on 05/27 and return from SFO on 05/29.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for being in patience, there is an airlines called Hawaiian, providing service on this route, shall I book your ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked with flight number 1025.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.