You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you help me in doing a reservation from DCA to EWR?

ASSISTANT: On which dates would you like to travel?

USER: My trip dates are Aug 17 to 19.

ASSISTANT: Do you need a lay by in between the journey?

USER: I need connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Jessica Green.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: We found a Spirit Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.