You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking to book a flight ticket from ORD to BOS. Can you help me for that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Jan 22 and Jan 24.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Robert Jones.

ASSISTANT: Do you need any specifications?

USER: I prefer to book a single connecting flight.

ASSISTANT: Please wait a moment.

USER: Please make sure that, my airline preference is normal cost.

ASSISTANT: There is a flight with one connection and the price is 700 in Delta Airlines, can I proceed with the reservation?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been reserved with the flight number 1021 in business class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching our service.