You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary Nelson.

ASSISTANT: Mary, how can I assist you?

USER: Can you help me cancelling my recent reservation, because I have to attend a small event was going in my hometown so I am unable to travel right now?

ASSISTANT: Sure, let me check our website. I found your reservation and cancelled it.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.