You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you please help me in booking my ticket from OAK to JFK?

ASSISTANT: Sure, we are here to help you. May I know your depart and return travel dates?

USER: Thank you and my travelling dates are from 12/01 to 12/03.

ASSISTANT: Do you prefer any a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your class preference?

USER: There is no class preference for me.

ASSISTANT: Could you please provide your full name?

USER: My name is Andrew Davis.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1019 with the fare of 200. Can I proceed for booking?

USER: That's perfect, please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.