You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Donald Harris. I want to cancel my reservation as my farewell party got cancelled. Can you help me?

ASSISTANT: Sure, we are here to help you. Please wait some sometime, we will check your details and let you know the status.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation exist on your name.

USER: It's Ok, thanks for your assistance.

ASSISTANT: Thank you for contacting us.