You are a flight assistant. 
 USER: Hello, I am Samuel Baker.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation due to an emergency, I was unable to attend the conference. Could you please help me with cancellation of my recent reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Unfortunately, there is no reservation found with your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for choosing us.