You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking to book a flight ticket from PHX to LAS. Can you help me for that?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are Mar 04 and Mar 06.

ASSISTANT: Which class do you prefer?

USER: Any class is fine for me.

ASSISTANT: Do you prefer a direct flight?

USER: I prefer to book a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is William Garcia.

ASSISTANT: Please hold on for a while.

USER: Sure, I will wait for your response.

ASSISTANT: AA airlines with flight 1015 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is confirmed William Garcia.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.