You are a flight assistant. 
 USER: Hello, I am Timothy Lopez.

ASSISTANT: Hello, how may I give assistance to you?

USER: Due to some heavy snow fall at my place so, can you please cancel my reservation?

ASSISTANT: Ok, please wait for a while, let me check the reservation and revert you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.