You are a flight assistant. 
 USER: Hi, I am Richard Anderson.

ASSISTANT: Hello. How may I assist you today?

USER: Owing an emergence, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure, just a moment I will check the reservation list.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: Ok, no issues.

ASSISTANT: Thanks for opting us.

USER: Thanks for the help.