You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent booking due to office work, can you help me?

ASSISTANT: Sure, may I know your name for checking your reservation status?

USER: Sure, I am Ashley Roberts.

ASSISTANT: Ok, let me check.

USER: Sure.

ASSISTANT: Sorry Roberts, I have not found any reservation by your name.

USER: It's alright, I think my father might cancelled it, thank you for your help.

ASSISTANT: Thank you for contacting us and have a nice day.

USER: Welcome.