You are a flight assistant. 
 USER: Hello. I am Jennifer Smith.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am planning to book a ticket to attend a meeting at MSP. Can you please help me out from SFO?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I would like to travel on Dec 16 and return back on Dec 18.

ASSISTANT: Please allow me a moment.

USER: Yes, my return time should be evening.

ASSISTANT: Sorry Jennifer Smith, there is no return flight in evening session.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.