You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Mark White.

ASSISTANT: How may I assist you today?

USER: Can you please cancel my reservation, due to cancel of my meeting with share holders?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for contacting us.