You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Raymond Collins want to travel to MA-BOS to meet my sister. Can you book a connecting flight from AZ-PHX?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travel dates are 08/20 and 08/22.

ASSISTANT: Is there any restriction on fare?

USER:  I can afford 500.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight from an UA airline of price 100 and flight number 1008. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been booked.

USER:  Thank you for booking.

ASSISTANT: Thanks for choosing us.