You are a flight assistant. 
 USER: Hello, I am Raymond Green.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend Halloween day at Washington DC-DCA, help me in booking my flight ticket  with single connection.

ASSISTANT: Sure, I will help you in booking a flight ticket. Can you please enumerate your travel details?

USER: My journey days will be from 10/31 to 11/02.

ASSISTANT: Please give me your source point to book a ticket?

USER: My journey points are from NY-JFK to DC-DCA.

ASSISTANT: There is an Delta airline founded with matching given details.

USER: Proceed with that airline.

ASSISTANT: Ok, your ticket booking has been done.

USER: Thank you for your support in booking my flight ticket.

ASSISTANT: Thank you for opting us, have a safe journey.