You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from ORD to DTW?

ASSISTANT: May I know your travel dates?

USER: I would like to depart on Apr 10th and return on Apr 12th.

ASSISTANT: Is there any time concern?

USER: I have no time concern.

ASSISTANT: Any other specifications?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: I am Ryan King.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Welcome Ryan King.