You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Christine Carter, want to travel from LAS to PHL. Please help me in this.

ASSISTANT: Sure, may I know your trip dates please?

USER: My travel dates are from 12/02 to 12/04.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 200 which is provided by Frontier airlines. Would you like to book this flight for your journey?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you so much.

ASSISTANT: Most welcome.