You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER:  I am Raymond Baker. I want to cancel my reservation  owing an emergency at office. Can you please cancel my ticket?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: OK, thank you for your response.

ASSISTANT: Thank you for availing us.