You are a flight assistant. 
 USER: Hi. I am Mary Taylor.

ASSISTANT: Hello, how can I serve you now?

USER: As my dance live show got postponed I want you to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please wait for couple of minutes.

USER: OK.

ASSISTANT: Thanks for waiting, we do not found any reservation with your name.

USER: It's ok, thanks for the information.

ASSISTANT: Thank you for contacting us.