You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need you to book a flight ticket, please help me.

ASSISTANT: Sure, please share me your journey dates.

USER: July 15 and 17, are my planned travelling dates.

ASSISTANT: May I know your airport codes?

USER: JFK and PHX are the respective in and out airport codes.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would prefer a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Carolyn Turner here.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for opting us.