You are a flight assistant. 
 USER: Hello, I am Thomas Young.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a flight ticket from IAD to LAS to attend my friend's marriage. Can you please help me with this?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 04/24 to 04/26. I need a single connection.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we found an airline: Delta, flight number: 1021. With a single connection and price is 200. Shall I proceed to booking?

USER: You may proceed with the booking.

ASSISTANT: Your booking is reserved with your name.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.