You are a flight assistant. 
 USER: Hello, I am Rachel Davis.

ASSISTANT: Hello. How may I help you today?

USER: I want a direct flight on dates from 04/29 to 05/01. Can you please help me in that?

ASSISTANT: Sure, I can help you in that. Please mention your source and destination?

USER: My airport codes are from BOS to JFK.

ASSISTANT: Sorry to inform you that currently no direct flights are available on that locations. Thanks for contacting us, hope you serve you better.

USER: Thank you for your information.