You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Jennifer Hall.

ASSISTANT: Hall, how may I help you?

USER: I am planning to attend convocation meeting at Phoenix, can you please help me with booking a flight ticket?

ASSISTANT: Please provide your airport codes.

USER: My source airport code is ORD and the destination airport code is PHX.

ASSISTANT: May I know your itinerary dates?

USER: Sure, I would like to take off on 04/08 and return back on 04/10.

ASSISTANT: Please wait for a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.