You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Turner. I would like to travel from MSP to SFO, could you help me out?

ASSISTANT: Sure, may I know your trip dates?

USER: My preferable dates are from 11/23 to 11/25.

ASSISTANT: Sorry, on these dates there is no flights available.

USER: That's ok. Thank you for your help.

ASSISTANT: Most welcome.