You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am Samantha King. I want to book a flight ticket from TX - HOU to DC - DCA, can you help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know when you have planned to travel?

USER: I would like to fly on 01/26 and return on 01/28.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with airline number 1022.

USER: Thank you.

ASSISTANT: Thank you for approaching us.