You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need you to cancel my recent booking, please help me.

ASSISTANT: Sure, may I know your good name?

USER: Thomas Walker here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.