You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: I would like to go to a event in Chicago, so could you aid me in booking a flight ticket to Chicago?

ASSISTANT: Ok, may I know your boarding and landing airport codes?

USER: My source and destination airport codes are PHX and ORD respectively.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, I would like to go on Sept 09th and return back on Sept 11th.

ASSISTANT: Is there any connection limit for you?

USER: Ensure it is a single connecting flight.

ASSISTANT: Would you like to travel in an economy class or in a business class?

USER: Any class is fine for me.

ASSISTANT: Please be on hold for sometime to check the suitable flight for your journey.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1000, connections-1 and ticket-100. Would you like me to proceed next?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been confirmed with economy class flight.

USER: Thank you for booking.

ASSISTANT: Thanks for approaching with us.

USER: Welcome.