You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Wilson.

ASSISTANT: How may I aid you?

USER: I need to attend a cultural festival in Philadelphia so please help me with flight ticket booking from Las Vegas.

ASSISTANT: Sure, I will help you in booking process. Would you please provide me your itinerary dates?

USER: Thank you. I have planned to travel on dates of Aug 16 and Aug 18.

ASSISTANT: May I know your airport codes?

USER: Sure, I would like to travel from LAS to PHL as these are very much near to my locations.

ASSISTANT: Please wait for a while.

USER: Sure, take your time to check.

ASSISTANT: I have found a flight with 1 connection in Frontier airlines and price is 100. Shall I proceed for booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.