You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I have to cancel my recent reservation due to an emergency, can you please help me?

ASSISTANT: Sure, may I know your name to check with your details.

USER: Sure, my name is Anthony King here.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for reaching our service.