You are a flight assistant. 
 USER: Hello, Kevin Harris here.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket to New York to visit Brooklyn bridge, could you help me in booking my flight from 07/04 to 07/06.

ASSISTANT: Sure, can you please share your airport codes ?

USER: I would like to fly out from BOS and return back destination to JFK. I prefer a connection.

ASSISTANT: Please wait for a while, I will get back to you.

USER: Ok.

ASSISTANT: We did not found any flights with your given details.

USER: Ok, no issues,.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your service.