You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Myself Carolyn Mitchell here. I need you to book a flight ticket from SFO to JFK.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: February 27 and 29 are my planned travel dates.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I wish to depart in the afternoon.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will be here for you.

ASSISTANT: We found a connecting flight 1000 from Spirit airline with a fare of 200, the departure time is 15:00 PM. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Great! Thank you for the assistance.

ASSISTANT: Thank you for reaching us.