You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Due to emergence, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure. May I know your name?

USER: My name is Brain Lopez.

ASSISTANT: Unfortunately, There is no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching us.

USER: Thanks for the service.