You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling dates are July 09 and July 11.

ASSISTANT: May I know your name please?

USER: Myself Gary Johnson.

ASSISTANT: Do you have any connection limit?

USER: I need single connection flight.

ASSISTANT: May I know your airline preference?

USER: No preference.

ASSISTANT: Do you have any other requirements?

USER: I always prefer business class ticket.

ASSISTANT: Ok, please be on hold.

USER: Ok, sure.

ASSISTANT: Delta airlines is providing you a connecting flight with a ticket fare 700, shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with the flight-1027 in business class.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe trip.