You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to reserve flight ticket to Detroit, can you please reserve flight ticket from MSP and DTW?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are May,13 and May,15.

ASSISTANT: Do you have any limits on number of connections?

USER: I need single connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have airline preference?

USER: No, I am comfortable with any airlines.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Myself James Lee.

ASSISTANT: We found an JetBlue airlines with single connection and flight number is 1015. Shall I proceed?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for reserving flight ticket.

ASSISTANT: Thank you for choosing us.