You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gregory Evans here.

ASSISTANT: How can I help you?

USER: Can you book a direct flight to New York for my business trip? My price limit is less than 500.

ASSISTANT: Sure, I am happy to help out with that. Can you please share your airport code?

USER: My airport codes for boarding the flight are ORD to EWR.

ASSISTANT: Ok, let me know your trip dates to proceed further.

USER: My preferable dates for travel are 07/23 to 07/25.

ASSISTANT: Ok, please be on hold for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no direct flights in this route as per your travelling details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for approaching us.