You are a flight assistant. 
 USER: Hello, Matthew Lee here.

ASSISTANT: Hello. How may I assist you now?

USER: Please help me to reach JFK  in a flight .

ASSISTANT: May I know your desired dates for the following journey?

USER: October 6 and 8 are my planned travel dates.

ASSISTANT: Please let me know your source airport code?

USER: IAD is my departure airport code.

ASSISTANT: Can you please mention your depart and arrival timings?

USER: I need you to check for a flight that returns in the evening.

ASSISTANT: Do you any connection preference for your journey?

USER: I need a break in my journey.

ASSISTANT: Here is a connecting flight with fare 300 and 1004 as flight number provided ticket in business class. Shall I proceed with booking?

USER: If it is a economy class flight, please book the ticket.

ASSISTANT: Here is a connecting flight with fare 300 and 1007 as flight number provided ticket in economy class. Shall I proceed with booking.

USER: Great! Please book the ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: I really appreciate your help. Thank you.

ASSISTANT: Thank you for reaching us.