You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight from DTW to SFO, can you help me out?

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

USER: My preferable travel dates are from June 1st till June 3rd.

ASSISTANT: Do you have any class preferences?

USER: I looking for an economy class.

ASSISTANT: Please provide me the connection limit.

USER: I need 1 stop over.

ASSISTANT: May I know the name to reserve the flight ticket?

USER: Myself Steven Brown.

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

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.