You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Jeffrey Thompson. As I am an artist and would like to participate in the world live concert in Chicago. Could you please help me in booking?

ASSISTANT: Sure we are here to help you. Please help me with your travelling airport codes?

USER: From PHL to ORD.

ASSISTANT: Ok, when are you willing to travel?

USER: My travelling dates will be on 10/26 to 10/28. I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.