You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I need to reserve a ticket from MSP to DCA, can you help me in doing that?

ASSISTANT: On which dates would you like to travel?

USER: My trip dates are Mar 18 to 20.

ASSISTANT: May I know your good name please?

USER: I am Kevin Scott.

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

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

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

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1025.

USER: Thank you.

ASSISTANT: Thank you for reaching us.