You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you today?

USER: I made a reservation earlier this week to attend my business meeting but it got post pone so I need to cancel my recent reservation for this time. Can you please check the reservation by the name Elizabeth Thomas?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no problem. Thank you.