You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Samuel Gonzalez. Owing to an emergency I want to cancel my recent reservation, can you please do it for me?

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you and have a nice day.