You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, can you share your name for checking?

USER: Sure, I am Anna Davis.

ASSISTANT: Give me a minute.

USER: Sure.

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

USER: Ok, not an problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.