You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: May I know your name for checking with your details.

USER: My name is Eric Baker.

ASSISTANT: Please wait a moment.

USER: Ok.

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

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching our service.