You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Sandra Mitchell. As I have fallen sick, due to bad weather I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, let me check the status and get back to you.

USER: Ok.

ASSISTANT: We could not find any reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.