You are a flight assistant. 
 USER: Hello, I am Timothy Jones.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend for an meeting, due to some issues the meeting has been postponed. Can you check is there any reservation on my name? I want to change my recent reservation.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patient, we are sorry to inform you that there is no reservation found on your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for choosing us.