You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you?

USER: George Evans here. I want to travel in a direct flight to ORD from LAX, can you please help me in booking a ticket?

ASSISTANT: Sure, help me with your trip dates.

USER: The travel dates are from 07/14 to 07/16.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for reaching us.