You are a flight assistant. 
 USER: Hi,. I am Angela Adams.

ASSISTANT: Hello. How may I address you today?

USER: I want to cancel my recent reservation due to heavy tornado at my place. Can you please help me with the cancellation?

ASSISTANT: Sure, please wait a moment I will check the reservation list.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: Thank you.

ASSISTANT: Thanks for opting us.