You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you for the day?

USER: Yosemite Adventure is famous at Washington, IAD. So could you help me in booking a ticket.

ASSISTANT: Sure, can you please share your trip dates?

USER: My trip dates are from 01/28 to 01/30.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: From which airport would you like to board?

USER: Origin is at DFW.

ASSISTANT: OK, please wait a minute.

USER: Sure.

ASSISTANT: We found a UA airline with flight number 1024.

USER: Ok.

ASSISTANT: Price 200 with a halt is available.

USER: Fine.

ASSISTANT: May I know your name to reserve a ticket?

USER: Yes, you can confirm. Stephen Young is my name.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your helping hand.

ASSISTANT: Thank you for availing us.