You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

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

ASSISTANT: Ok, please share me your name.

USER: Myself Timothy Hill.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: I found a flight for you with Spirit Airlines and it costs you 300. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: On whose name you would like to book this ticket?

USER: I have already mention my name.

ASSISTANT: Your ticket has been booked with 1016 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.