You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Debra Edwards on this side. I want to book a flight ticket on the route from Washington to Las Vegas to visit my friend's casino. can you book a reservation by my name?

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

USER: My boarding date will be 06/29, and I will be landing on 07/01.

ASSISTANT: Could you please help me with the airport codes?

USER: My nearest airport is IAD, and my destination airport is LAS for this journey.

ASSISTANT: Let me check for the availability of flight on this route.

USER: Sure, check with availability and inform me the availability status.

ASSISTANT: Debra, there is a flight available with price 200 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: That's perfect for my requirement, you can proceed with further booking.

ASSISTANT: Your booking is confirmed with 1028 flight number.

USER: Thank you for helping me out with booking a flight reservation.

ASSISTANT: Thank you for contacting us.

USER: You are most welcome.