You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I have planned to purchase ticket from DCA to EWR, can you please check availability?

ASSISTANT: Could you please help me providing your travelling dates?

USER: My preferred dates are Aug 22nd and return 24th Aug afternoon,.

ASSISTANT: Ok, can I know your good name please?

USER: Brandon Carter.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: I need only one lay by.

ASSISTANT: Do you have any other preferences?

USER: No, you can proceed.

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

USER: Proceed booking.

ASSISTANT: Your ticket has been confirmed with flight number 1024.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.