You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Sandra Brown from Washington. I have to go to New York next week. Can you please help me in flight ticket booking process?

ASSISTANT: May I know your airport codes please?

USER: Thank you for your positive response, I want to fly from IAD and destination airport is EWR.

ASSISTANT: On which dates you like to travel?

USER: I want to take off on 10/29 and please confirm my return ticket also on 10/31.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1012 flight?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your booing is done Delta airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.