You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from MSP to JFK. Could you help me in booking?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from May 19 - 21.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Donna Nelson.

ASSISTANT: Do you have any other preference.

USER: I prefer for connecting flight.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: There is a flight with one connecting flight and the price is 200 in United Airlines, can I proceed with the reservation?

USER: Yes, please proceed.

ASSISTANT: You flight ticket has been reserved with the flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.