You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I render you today?

USER: I am Elizabeth Parker.

ASSISTANT: Ok.

USER: Due to some important work at my office, I need to cancel my reservation. Can you please help me?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.