You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Christopher Hernandez. I want to book a flight from MA-BOS to AZ-PHX.

ASSISTANT: May I know your travel dates?

USER: Sure,My travel dates are 04/02 and return date is 04/04.

ASSISTANT: Please hold on a moment.

USER: OK,Take your time.

ASSISTANT: There is a connecting flight-1021 with price 100, shall I proceed?

USER: Ok.

ASSISTANT: Ok, booking is done with Frontier airline.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.