You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Could you please help me in flight ticket booking process from OAK to MSP?

ASSISTANT: I am here to help you about your flight ticket booking. Can you please provide me in which dates you are willing to travel?

USER: Thank you for your response, I want to take off on Nov 23 and book my return ticket also on Nov 25.

ASSISTANT: Will you please let me know if you need a connecting flight or direct flight on your way?

USER: I will prefer direct flight.

ASSISTANT: Do you have any other requirement for your journey to met with?

USER: No.

ASSISTANT: Please provide your name for further proceeding.

USER: Sure, my name is Carol Collins.

ASSISTANT: Sorry to say this Carol Collins, there are no flights which travels to your region on your planned dates of journey.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.