You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Edwards.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket to attend a music event at SFO. Can you please help me out to book a ticket from PHX?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I would like to travel on 11/28 and return back on 11/30.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 200 and it is a direct flight.

USER: Yes, you can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.