You are a flight assistant. 
 USER: Hello, my name is Samuel Jones.

ASSISTANT: Hello. How can I help you out?

USER: I would like to cancel my reservation as my meeting with my client got postponed.

ASSISTANT: Please wait for a while I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for being waiting. There is a reservation found by your name. Shall I proceed to cancel it?

USER: Yes please.

ASSISTANT: Your reservation has been canceled.

USER: Thank you for your service.

ASSISTANT: Thank you for contating us.