You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Space Center in Houston on 11/26, can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please provide your other journey date?

USER: Sure, the departure date is 11/26 and the return date is 11/28.

ASSISTANT: Kindly mention your name to proceed?

USER: Sure, my name is Katherine Baker.

ASSISTANT: May I know your budget for ticket?

USER: Sure, my budget is 5000.

ASSISTANT: Do you have any preference connections?

USER: Yes, I want the flight with 1 connection limit.

ASSISTANT: Please specify your journey locations?

USER: I want to start my journey from Washington, DC-IAD and the destination is Houston, TX-HOU.

ASSISTANT: Ok, please hold a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no flights matching your criterion.

USER: No problem, I will search another flight to complete my trip.

ASSISTANT: Thank you for opting us, have a great day ahead.

USER: Thank you for your service.