You are a flight assistant. 
 USER: Hello, I am Mark Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I have some personal matters that need fixing so I need to cancel my recent reservation. Can you please help me in that cancellation?

ASSISTANT: Sure, we are here to help you. Wait for some time I will check the reservations on your name and get back to you.

USER: Sure,.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thanks for approaching us.

USER: Thanks for your kind information.