You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you today?

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

ASSISTANT: Sure, we are here to aid you. Let me know your name for checking your reservation.

USER: My name is Gary Parker.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database. Thank you for opting us.

USER: That's ok.