You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best may I serve you today?

USER: I am Gary Scott. I would like to enjoy this weekend at Korean war veterans memorial which is at Washington DC-IAD.

ASSISTANT: Ok.

USER: Could you please book a flight ticket from Philadelphia, PA-PHL?

ASSISTANT: Sure, please let me know your travelling dates.

USER: I want to travel on dates 06/15 and 06/17.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: I need a stop over in between the journey.

ASSISTANT: We found a connecting flight in Hawaiian airlines with a fare of 200 and the flight number is 1018. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us..