You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello.

ASSISTANT: How can assist you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, may I know your name?

USER: Myself Sharon Edwards.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome and have a nice day.