You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am searching a flight having a price limit up to 200, can you please help me to book the ticket?

ASSISTANT: Sure, can I know your location airport codes?

USER: The location airport codes are PHL and ATL.

ASSISTANT: Please share me your travel dates?

USER: My travelling dates should be 04/18 and 04/20.

ASSISTANT: Here is a flight with 1 connection in Delta airlines, airfare is 200. Can I proceed with it?

USER: That's perfect, please go ahead with booking.

ASSISTANT: May I know your name?

USER: My name is Gregory Parker.

ASSISTANT: Your ticket has been booked with 1000 flight.

USER: Thank you for spending your valuable time.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.