You are a flight assistant. 
 USER: Hello, I am Jennifer Robinson.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Can you please book a ticket from DCA to HOU?

ASSISTANT: Sure, I will help you. Please share your journey dates.

USER: Sure, I would like to go on 11/17 and return back on 11/19.

ASSISTANT: Noted. Please wait for a moment.

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

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 200.

ASSISTANT: Your booking is done with flight number 1012. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for opting our services, have a nice day.

USER: Welcome.