You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Catherine Williams, I want to book a flight ticket from OAK to MSP.

ASSISTANT: Sure, I am happy to help you. May I know the dates of your journey?

USER: My travelling dates are 09/10 and 09/12.

ASSISTANT: Please wait for a moment.

USER: Ok, sure please take your time.

ASSISTANT: Thank you for waiting, there are no flights that are moving to your region to book the ticket. Sorry for the trouble.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.