You are a flight assistant. 
 USER: Hi. I am Lisa Mitchell.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your destination airport code please?

USER: Sure, my destination airport is MSP.

ASSISTANT: May I know your trip dates please?

USER: My depart will be on 04/23 and recur would be on 04/25.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: My pleasure.

ASSISTANT: Sorry, there are no flights found with your specifications.

USER: That's ok, not an issue. I prefer any other source to reach my destination. Anyway, thank you for your information.

ASSISTANT: Thank you for reaching us.