You are a flight assistant. 
 USER: Hello. I am Jeffrey Phillips.

ASSISTANT: Hello, how may I assist you?

USER: I have to go to my relative house in Chicago, can you please help me in booking a flight ticket from DEN to ORD?

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

USER: Thank you. I am willing to travel on the dates of 09/10 and 09/12.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, take your time and provide a flight with is having a connection limit 1.

ASSISTANT: Sorry Jeffrey, there are no flights available on your requested dates.

USER: It's ok, not a problem with that. I will reach some other flight agency to reserve my ticket. Thank you for providing the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.