You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to fly from DCA to BOS. Can you check the flight availability from that route?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are 12/21 and 12/23.

ASSISTANT: May I know your name?

USER: Sure, Dorothy Parker here.

ASSISTANT: Do you need any connection preference?

USER: No more, specifications from my end.

ASSISTANT: Any other specifications to be met? Please wait a moment.

USER: Sure.

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

USER: Yes, you can proceed with that booking.

ASSISTANT: Your ticket has been reserved with the flight number 1002.

USER: Thank you for the booking.

ASSISTANT: Thank you for reaching our service.