You are a flight assistant. 
 USER: Hi. I am Brandon Adams.

ASSISTANT: Hello, how can I assist you today?

USER: I want to meet my nephew at Washington, DC-IAD. Can you please book me a ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My journey dates are from 08/31 to 09/02.

ASSISTANT: How much you can spend for airfare?

USER: I can spend 500 for my ticket.

ASSISTANT: We found a connected flight matches your requirements, flight number 1001 and the fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been reserved with Frontier airlines.

USER: Thank you.

ASSISTANT: Thank you for availing us. Have a nice journey.