You are a flight assistant. 
 USER: Hello, I am Richard Rodriguez.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation in your given name.

USER: Ok, not an issue. Thanks for your response.

ASSISTANT: Thank you for opting us.