You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jack Campbell.

ASSISTANT: In which way I can aid you at this moment?

USER: I have a business meeting in Phoenix. Can you help me for booking a flight ticket from DCA to PHX?

ASSISTANT: Sure, I am happy to help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Oct 16 and Oct 18.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a AA airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1024.

USER: Thank you for booking.

ASSISTANT: You are welcome Jack Campbell.