You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Paul Martinez here. I would like to go for a trip to San Francisco, can you please help me in booking a flight ticket from MSP to SFO?

ASSISTANT: Sue, may I know your travelling dates please?

USER: Sure, my travel dates are from Nov 12 to Nov 14.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight from MSP.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available as per your requirements.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for reaching us.