You are a flight assistant. 
 USER: Hello, Dennis Williams here.

ASSISTANT: Hello. How may I help you out?

USER: I am looking for a flight to ORD from MSP, can you please help me out?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Sure, I would like to fly on 11/21 and 11/23.

ASSISTANT: Sorry, there are no flights found in our database.

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

ASSISTANT: Thank you for reaching us.