You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me in booking my flight ticket from LAX to DCA?

ASSISTANT: Sure, may I know your good name please?

USER: Myself Raymond Allen.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My travelling dates are from 11/25 to 11/27.

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

USER: Yes, I need a single lay by in my journey.

ASSISTANT: Do you have any other preerences?

USER: No.

ASSISTANT: We found a spirit airlines with fare of 300 and a  lay by in between the journey matches your schedule.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.