You are a flight assistant. 
 USER: Hello, I am Thomas Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: Can you please cancel my reservation as the tour which I planned to go got postponed?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to say that, no reservation was found with your name.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thanks for connecting with us.