You are a flight assistant. 
 USER: Hi. I am Jason Thomas.

ASSISTANT: Hello, how may I render you at this moment?

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

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no reservation found with your name in our database.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us.