You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Jones.

ASSISTANT: How may I guide you today?

USER: Can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Thank you for responding, I will wait.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: That's ok, thank you for assisting me.

ASSISTANT: Thank you for contacting us.