You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Paul Taylor.

ASSISTANT: Paul, how may I help you today?

USER: Actually, I want to go from MN-MSP to TX-HOU. Can you help me out?

ASSISTANT: Sure Paul, may I know your travel dates please?

USER: My preferable dates are 12/05 to 12/07.

ASSISTANT: Sorry for the inconveniece,  we could not find a flight matching your requirements.

USER: That's fine. thank you.

ASSISTANT: You are welcome.