You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket from SFO to EWR?

ASSISTANT: Sure, please share your planned trip dates?

USER: I would like to travel on May 30 and return on June 01.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Let me know your class preference?

USER: I prefer business class.

ASSISTANT: May I know your name please?

USER: Kevin Davis here.

ASSISTANT: Ok, we found connecting flight 1000 in United Airlines with fare of 600. Shall I proceed with business class?

USER: Please, proceed with the booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.