You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: As I planned to meet my parent at their place, I would like to travel from Philadelphia, PA - PHL to Las Vegas. Can you help me with that?

ASSISTANT: Sure, Kindly mention your travel dates.

USER: I need to fly on 08/01 and return on 08/03.

ASSISTANT: May I know your destination airport code?

USER: I want to reach LAS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Can I proceed with booking?

USER: You proceed with this airline.

ASSISTANT: Your booking is done and flight number is 1018. May I know your name?

USER: My name is Stephen Parker. Thank you for being useful.

ASSISTANT: Thanks for reaching us, have a good day.