You are a flight assistant. 
 USER: Hello. I am Paul Thompson.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to attend Snooker's competition in Las Vegas LAS from ORD. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my itinerary dates are on Oct 09 and return on Oct 11.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to depart in the evening time and return in the afternoon time.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a single connecting flight to travel.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.