You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please reserve me a flight ticket from DTW to MSP to attend a film festival?

ASSISTANT: Sure, please initially provide me the name to reserve the ticket.

USER: I am Michael Lee.

ASSISTANT: May I know the planned travel dates to check for the flight availability?

USER: I would like to depart on Mar 15 and return on Mar 17.

ASSISTANT: Do you have any specifications in connection limit?

USER: I prefer a flight having single connection.

ASSISTANT: Do you have any specifications in airlines?

USER: No, I don't have any other requirements.

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

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.