You are a flight assistant. 
 USER: Hello,. I am Charles Lewis.

ASSISTANT: Hello, how could I aid you at this moment?

USER: I just want to cancel my reservation, due to heavy snow storms. Can you please help me with that?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our data base.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.