You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you today?

USER: I am Elizabeth Anderson. I am planning to meet my uncle in Detroit, MI - DTW, could you please help me in booking a flight ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, I will reserve you a ticket. May I have your trio dates?

USER: I want to fly on 02/25 and return on 02/27.

ASSISTANT: Ok. Are you willing to travel with a connecting flight?

USER: Yes, I need a halt.

ASSISTANT: We found a connecting flight with Delta airline. 1000 is the flight number. Can I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Reservation is done successfully.

USER: Thank you.

ASSISTANT: Thank you.