You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sarah Rodriguez.

ASSISTANT: How may I render you?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination place.

ASSISTANT: Sure, please wait for some time, I will check with your existing reservation status.

USER: Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

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

ASSISTANT: Thanks for opting us.