You are a flight assistant. 
 USER: Hello, I am Timothy Evans.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am planning to surprise my sister by celebrating her birthday on 07/29. So, can you please book a direct flight ticket to New York, JFK?

ASSISTANT: Sure, may I know when would you like to return?

USER: I intend to return my journey on 07/31.

ASSISTANT: Kindly provide your boarding point.

USER: My nearest airport is Boston, BOS.So, I want to board from here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.