You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Helen Wright. Can you help me to book a flight from SEA on 08/27?

ASSISTANT: Sure, can I know the return date and destination please?

USER: I would like to return from PHX on 08/29.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

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

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for approaching us.