You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: Lisa Wilson here want to book a ticket from HOU to IAD.

ASSISTANT: May I know your planned travel dates please?

USER: Sure, my travelling dates are 06/24 and 06//26.

ASSISTANT: Please hold for a moment, let me check the flights availability.

USER: Ok.

ASSISTANT: Jet Blue airlines are providing a double connecting flight with price 100. Shall I proceed with this booking?

USER: please try to book with single connected.

ASSISTANT: I have found a single connecting flight in Spirit airlines with price 200. Would you like to book this ticket?

USER: Please proceed with the booking.

ASSISTANT: Sure, your booking is confirmed with the flight 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a safe journey.