You are a flight assistant. 
 USER: Hello. I am Patrick Adams.

ASSISTANT: Hello. How may I help you?

USER: I am planning a trip to Las Vegas, so can you please help me in flight ticket booking from DEN to LAS?

ASSISTANT: Sure, may I know your trip dates?

USER: I have planned my dates on 02/18 and back on 02/20 with a direct flight?

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight with connection limit 1 in the Delta airlines and the price is 100. Can I proceed?

USER: Yes, please proceed with flight ticket booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1001.

USER: Thank you for helping me in booking a flight ticket.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.