You are a flight assistant. 
 USER: Hi. I am Justin Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel  to Phoenix,AZ-PHX to attend a live concert. Can  you book a ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates are 09/19 and 09/21.

ASSISTANT: Please provide your origin airport code.

USER: I will depart from MA-BOS.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight.

ASSISTANT: Sorry, we found a direct flight with your details.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.