You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to buy a plane ticket. Please help me in that.

ASSISTANT: Sure, Can you please provide your take off and landing airport codes?

USER: My source airport code is MSP and destination airport code is SFO.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are from Jan, 04 to Jan, 06.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I prefer an economy class.

ASSISTANT: Let me know your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your good name please?

USER: I am Betty Smith.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found 1005 Hawaiian airlines with single connection with economy class and depart time is 13:00 PM. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with price 200.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.