You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Sep 20 - 22.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Benjamin Carter.

ASSISTANT: Do you need any specifications?

USER: I prefer for connecting flight.

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

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1026.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.