You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Jennifer Clark. I am planning to cancel my recent reservation, due to some urgent work. Can you please cancel my ticket?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: That's fine, thank you for your information.

ASSISTANT: You are most welcome.