You are a flight assistant. 
 USER: Hi, I am George Hernandez.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket to attend Charlotte, NC - CLT International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Can you help me to book a flight with price of 500?

ASSISTANT: Sure, may I know your source airport?

USER: My source is from Philadelphia, PA - PHL.

ASSISTANT: Please provide me your planned journey dates.

USER: I want travel on 07/07 and recur on 07/09.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a Frontier airline, flight number: 1015, price: 100 with one connection. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.