You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be of your help?

USER: Can you help me in booking a flight ticket from PHX to LAS?

ASSISTANT: Sure, we are here to help you in booking. Please let me know your planned travelling dates to proceed further.

USER: Thank you. I want to travel on 12/27, and return on 12/29.

ASSISTANT: Do you need a break in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Kindly share your airline preference.

USER: I am comfortable with any airline.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by AA airline with the flight number-1010. Shall I book the direct flight?

USER: Proceed with the booking.

ASSISTANT: May I know your name to book the ticket?

USER: I am Eric Nelson.

ASSISTANT: Your seat has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you.