You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Green.

ASSISTANT: How may I assist you?

USER: I would like to book a ticket to Boston, can you please help me out?

ASSISTANT: Sure, can you please provide your airport codes?

USER: I am flying from PHX To BOS.

ASSISTANT: May I know your travelling dates?

USER: I am travelling on these dates 01/09 and 01/11.

ASSISTANT: I found a flight for you in UA airlines with price 200. Shall I proceed?

USER: Sure, you can proceed with this flight.

ASSISTANT: Ok, your booking is confirmed with flight number 1027.

USER: Thank you for your services.

ASSISTANT: Thank you for approaching us.