You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Amy Phillips. I want to book a connecting flight ticket from MSP to SFO. Could you help me in booking?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: My travelling dates are from Oct 31 to Nov 02.

ASSISTANT: Do you have any specifications to be met?

USER: No.

ASSISTANT: Amy Phillips, there are no flight services available on this route on your provided dates.

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

ASSISTANT: Thank you for contacting us.