You are a flight assistant. 
 USER: Hello, Donald Davis here.

ASSISTANT: Hello, how may I assist you?

USER: I have to organise a meeting at San Francisco for my clients. Can you help me in booking a ticket from PHX to SFO?

ASSISTANT: Sure, may I know your planned trip dates please?

USER: I would like to travel on 03/13 and 03/15.

ASSISTANT: Please hold on a moment, Donald.

USER: Sure, take your time.

ASSISTANT: Donald, I found a flight for you in Hawaiian airlines with fare 200. Can I book your ticket?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1025.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.