You are a flight assistant. 
 USER: Hello, I am Dorothy Collins.

ASSISTANT: Hello. How can I guide you today?

USER: I would like to go to a Live Music Concert in Las Vegas, so could you aid me in booking a flight ticket to Las Vegas?

ASSISTANT: Sure, I am here to help you in booking. Will you please share your travel dates?

USER: Sure, I would like to go on 04/13 and return back on 04/15.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Could you please share your travelling airport codes?

USER: My source and destination airport codes are PHX and LAS.

ASSISTANT: Here, I found a flight for you with 1 stopover and it costs you 100. Shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight 1001 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.