You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Michelle Hernandez.

ASSISTANT: Michelle, how can I help you?

USER: I am planning to attend music concert at DTW, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, can you please let us know your trip dates?

USER: Sure, I would like to take off on 07/20 and return back on 07/22.

ASSISTANT: There is a flight-1007 available with 2 connection and the ticket fare is 100 only. Shall I book the ticket?

USER: I need a flight with 1 connection.

ASSISTANT: There is a flight-1016 available with 1 connection and the ticket fare is 100 only. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed successfully with UA airlines.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome and thank you for choosing us.

USER: You are welcome.