You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Robert Lee here.

ASSISTANT: How can I aid you?

USER: I want to cancel my reservation due to my busy schedule, can you help me?

ASSISTANT: Sure, give me a minute. Sorry, there is no reservation found under your name.

USER: Oh! That's very sad to here, maybe my wife had cancelled my reservation and forgot to inform me.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.