You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I am Jonathan Garcia. Please, help me in booking me a plane to Las Vegas, LAS for attending art gallery expo.

ASSISTANT: Sure, may I know your travel dates?

USER: 10/22 - 10/24 are my trip dates,.

ASSISTANT: Where would you like to leave from?

USER: I start from Washington, IAD.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1002. Shall I book this ticket?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.