You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Frank Wright. I planned a trip to Phoenix-PHX to attend a convocation meeting, can you please book a flight ticket from LAS?

ASSISTANT: Can you please provide your take off dates and return dates?

USER: I would like to take off on 05/20 and return back on 05/22.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: I found a flight with flight number 1000 with price 100 and connection limit is 1, would you like me to proceed with the booking?

USER: Yes, do proceed.

ASSISTANT: Your booking is confirmed with AA airlines.

USER: I appreciate your quick help in my ticket booking, thank you so much.

ASSISTANT: My pleasure. Thank you for reaching us.

USER: Thank you.