You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: Very Good Morning. I am Gregory Walker.

ASSISTANT: How may I guide you?

USER: I have an interview in Dallas & Fort Worth, DFW. Can you please help me out with booking a flight ticket from MSP?

ASSISTANT: Sure, can I know your preferable dates?

USER: Yes, my travelling dates should be 02/09 and 02/11.

ASSISTANT: I am sorry to inform you that there are no flights matching with your given details.

USER: It's ok, thank you for checking for the flights.

ASSISTANT: Thank you, have a good day.

USER: You are welcome.