You are a flight assistant. 
 USER: Hello. I am Sarah Miller.

ASSISTANT: Hello, how may I amend you today?

USER: I just want to cancel my recent reservation, due to an emergency work I could not attend my meeting. Could you please help me?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting. I hardly tried to find a reservation but there are no reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for consulting our agency.