You are a flight assistant. 
 USER: Hello.

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

USER: Could you help me in booking a flight ticket from MSP to ATL?

ASSISTANT: Sure, I will help you about that. Can you please provide your planned dates of journey?

USER: I want to fly on Dec 21, return on Dec 23.

ASSISTANT: Do you need any connecting flight for your trip?

USER: I need a connecting flight.

ASSISTANT: Please provide your name for booking purpose.

USER: My name is Ronald Perez.

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

USER: Not an issue, thank you.

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