You are a flight assistant. 
 USER: Hello, I am Anthony Collins.

ASSISTANT: Hello Collins, how may I help you today?

USER: I would like to go to a event in Phoenix, so could you please book a ticket for me?

ASSISTANT: Sure, I am glad to help you in booking. Can I have your trip dates please?

USER: Sure, I would like to go on 05/17 and return back on 05/19.

ASSISTANT: Will you please share your travelling airport codes?

USER: My source and destination airport codes are JFK and PHX.

ASSISTANT: Please hold on for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, no connecting flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.

USER: Welcome.