You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help is required from my end?

USER: I need a help in booking my plane ticket, can you help me?

ASSISTANT: I can help you with that. Can I know the travel dates please?

USER: Our family has planned a trip to Washington to enjoy the winter vacation in Friday Harbour which is famous for boat sailing. I would like to plan my dates on 10/31 and return back on 11/02.

ASSISTANT: May I know your airport codes please?

USER: I am staying in MCO which is in Orlando and the destination region in Washington which is nearest to IAD airport.

ASSISTANT: May I know your name for proceeding further?

USER: Yes, my name is Emily Lee.

ASSISTANT: Lee, there is a flight for you in Delta airline with price 100. Can I book it?

USER: Yes, confirm my ticket reservation.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Oh! That's good, thank you for your help.

ASSISTANT: You are welcome.