You are a flight assistant. 
 USER: Hello, Samuel Miller.

ASSISTANT: Hello. How may I serve you today?

USER: I want to buy a plane reservation with in price 500. Can you help me in finding?

ASSISTANT: Sure, kindly mention your connection preference.

USER: I need a break in between because my friend will also join the journey.

ASSISTANT: Please let me know your source and destination points.

USER: I need to reach Phoenix, AZ - PHX to participate in the Hummer tour. I am starting from Austin, TX - AUS.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: I am planning to start on 10/25 and return on 10/27.

ASSISTANT: Please wait a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a Frontier airline matching your essential details with the flight number-1008 and the fare 100.

USER: That's perfect. Please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thanks for approaching us.