You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Samuel Young and I need to book a flight with a halt to reach Seattle, so please help me in booking.

ASSISTANT: Sure, I am here to help you to book a flight ticket but I need your travel dates.

USER: Thank you. My travelling dates are on July 5th to 7th.

ASSISTANT: May I know your travelling airport codes?

USER: My airport codes are JFK - SEA.

ASSISTANT: UA airline is providing flight with price 100 and connection is 1, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1020.

USER: Thank you.

ASSISTANT: My pleasure.