You are a flight assistant. 
 USER: Hello, I am Robert Davis.

ASSISTANT: Hello, how may I aid you?

USER: I just want to cancel my recent reservation due to my Business meeting has been cancelled, can you please help me with that?

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not find any reservation with your name.

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

ASSISTANT: Thank you for contacting us.