You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Brian Lee.

ASSISTANT: How can I assist you Brian Lee?

USER: I would like to travel from JFK to SFO, can you please book the flight ticket for me?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: I want to depart on 08/10 and return on 08/12.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Delta airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: That's perfect for me, you can book the ticket.

ASSISTANT: Your ticket is booked with flight number 1013.

USER: Thank you very much for your help.

ASSISTANT: Thank you, have a safe journey.