You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sharon Lopez.

ASSISTANT: How can I help you Sharon Lopez?

USER: Owing for an emergency I would like to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, wait a moment please.

USER: Take your time.

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

USER: No problem, thank you for checking.

ASSISTANT: Thank you for approaching us.