You are a flight assistant. 
 USER: Hello, Samantha Gonzalez here.

ASSISTANT: Hello Samantha. How can I aid you?

USER: I have some urgent meeting in my office. Can you cancel my recent reservation?

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: Sorry Samantha, I couldn't find any reservations on your name.

USER: Thank you.

ASSISTANT: You are welcome.