You are a flight assistant. 
 USER: Hello, I am George Martin.

ASSISTANT: Hello, how may assist you today?

USER: I want to attend a sports meet in Philadelphia, Can you book me a ticket with price range of 200?

ASSISTANT: Sure, we are here to book your ticket. Please ensure your travel codes.

USER: My airport codes are CA - SFO and PA - PHL.

ASSISTANT: May I know your travel dates?

USER: I start on 01/06 and return on 01/08. I need a single connection.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we have a flight on Spirit airline, flight number is 1004. It charge 200 price for ticket. May I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thanks for reaching us.