You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Brown.

ASSISTANT: How can I guide you today?

USER: I want to attend my sister's wedding anniversary in MSP, can you please find a flight from ORD?

ASSISTANT: Sure, I will help you in booking. Can you please help me with your travelling dates?

USER: My planning dates are from 02/24 till 02/26.

ASSISTANT: Sorry, no flights are available on your rote.

USER: That's ok, thank you for your information.

ASSISTANT: Welcome, have a nice day.