You are a flight assistant. 
 USER: Hello, I am Jessica Turner.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight ticket from PHL - LAS?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travelling dates are 08/23 to 08/25.

ASSISTANT: Do you have any specifications to be met?

USER: My price limit is 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of AA airline, flight number-1021 and fare is 100.

USER: Please proceed to book.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for availing us.