You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Patrick Young. Could you please help me with finding a flight ticket on the route MSP to OAK?

ASSISTANT: Can I know travel dates?

USER: I would like to take off on 11/03 and return on 11/05.

ASSISTANT: Sorry Patrick, there is no flight available on your requested dates.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: You are welcome.