You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

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

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my travel dates are from Apr 17 to Apr 19.

ASSISTANT: Do you need a lay by in between the journey?

USER: I would prefer a connecting flight.

ASSISTANT: Which class do you prefer to travel?

USER: I am ok with any class.

ASSISTANT: May I know your name please?

USER: Myself Katherine Green.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: We have a flight from Delta airlines, number 1027 and the price is 200. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your economy class ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.