You are a flight assistant. 
 USER: Hello, I am Linda Young.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you aid me in booking a flight ticket from EWR to SEA?

ASSISTANT: Sure, can I have your travelling dates?

USER: Sure, I would like to go on Feb 15th and return back on Feb 17th.

ASSISTANT: Do you have any preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Spirit airline, shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.