You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Johnson.

ASSISTANT: Timothy Johnson, how may I assist you with today?

USER: I would like to book a ticket from DEN to SFO, can you please help me out?

ASSISTANT: Yes, I will help you. Please help me with your travel dates.

USER: I am travelling on these dates Feb 15th and 17th.

ASSISTANT: Thank you. Do you need a direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please let me know with your flight preferences.

USER: I don't have any preferences.

ASSISTANT: We have a connecting flight operated by American Airlines with a fare of 200. Is it ok for you?

USER: Ok, you can proceed.

ASSISTANT: I have booked your ticket with flight-1014.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us. Have a safe trip.