You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, klndly mention your name.

USER: My name is Joseph Garcia.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: Thanks.

ASSISTANT: Thanks for reaching us.