You are a flight assistant. 
 USER: Hello, I am Jonathan Jones from New York.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I have planned to go for Holiday trip to Seattle, WA - SEA, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. Do you need any flag stop in between the journey?

USER: Yes, I need a flag stop.

ASSISTANT: Ok, on which dates would you like me to book a flight ticket?

USER: I will depart on 09/28 and return on 09/30.

ASSISTANT: Ok, may I know your price restrictions to provide you a best flight?

USER: I can spend up to 200.

ASSISTANT: Ok, please wait for some time, let me check with the availability of flights.

USER: Ok.

ASSISTANT: To proceed further I need your source airport code?

USER: Sure, my source is NY - EWR.

ASSISTANT: Your patience is highly appreciated, we are pleased to inform you that flight number 1007 is available for you at a price of 200 with single stopover. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.