You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you book a flight ticket from PHL to JFK?

ASSISTANT: Sure, please share me your trip dates.

USER: My planned travel dates are Feb, 5 and Feb, 7.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Katherine Roberts here.

ASSISTANT: May I know your class preferences?

USER: I am comfortable with any class.

ASSISTANT: We found a Frontier airline and 1014 is flight number with a fare of 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with a business class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.