You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

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

ASSISTANT: Sure, may I know your name?

USER: I am Brian Garcia.

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

USER: No worries.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your quick service.