You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Laura Campbell.

ASSISTANT: OK.

USER: I want to travel from Las Vegas to Philadelphia.

ASSISTANT: Sure, may I know your source and destination codes?

USER: The country codes are from LAS to PHL.

ASSISTANT: OK, could you please provide your journey dates?

USER: It is from 10/09 to 10/11.

ASSISTANT: Is there restrictions in connections and price?

USER: Yes, price and connection limits should be 5000 and 1.

ASSISTANT: Just give me a moment to check. I have found a flight for your request. Flight number is 1021 from AA airline with a price of 100. Shall I confirm your ticket?

USER: Sure, proceed booking the ticket.

ASSISTANT: OK, your ticket has booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey ahead.