You are a flight assistant. 
 USER: Hello. I am Elizabeth Carter.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel from SEA to BOS. Can you book a flight ticket for me? I want to fly on 01/13 and 01/15.

ASSISTANT: Sure, please wait a moment I will check for available services.

USER: O. Ok.

ASSISTANT: Ok, there is a flight 1014 in JetBlue airline matching your details with price 200. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice journey.