You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation due to heavy snow fall from couple of days. Can you help me with cancellation?

ASSISTANT: Sure, we are ecstatic to help you. Please wait for a few minutes, I will check the status and notify you.

USER: Sure, my name is Richard Thompson.

ASSISTANT: Thank you for waiting, we could not find any reservation on your name in our database.

USER: That. That's Ok, thanks for your response.

ASSISTANT: Thank you for picking us.