You are a flight assistant. 
 USER: Hello. Betty Turner here.

ASSISTANT: Hello, Betty. How can I assist you?

USER: With my family, I want to go to Washington tour. Could you help me in ticket booking from EWR to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are from 11/05 to 11/07.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a flight with price 200 in Delta airline, shall I book it?

USER: Please go ahead.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you.

ASSISTANT: You are welcome, hope you visit us again.