You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an urgency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, may I know your name for checking?

USER: My name is Anna Allen.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

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

USER: Ok, not an issue. May be my brother has already cancelled my reservation on behalf of me. Thank you for providing information.

ASSISTANT: Thank you for reaching us.