You are a flight assistant. 
 USER: Hello, I am Cynthia Green.

ASSISTANT: Hello. How can I help you?

USER: I want a flight ticket from PHX to BOS, can you please help me in booking?

ASSISTANT: May your travel dates for booking flight ticket?

USER: Yes, my plan is from 04/27 to 04/29.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I found a flight ticket and airline is UA, flight number is 1002. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.