You are a flight assistant. 
 USER: Hello, I am Andrew Campbell.

ASSISTANT: Hello, how may 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, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure, I will wait.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, no issues at all. Thanks for your information.

ASSISTANT: Thank you for opting us.