You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

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

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Tell me your name please?

USER: My name is Nicholas Miller.

ASSISTANT: Please wait.

USER: Sure, l will wait.

ASSISTANT: Thanks for waiting. I could not find your flight reservation to cancel it.

USER: You are welcome.

ASSISTANT: Thank you.

USER: Thank you.