You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jennifer Walker. I would like to cancel my recent reservation, please help me with that.

ASSISTANT: Sure, please wait for a moment.

USER: Ok, I will wait for your response.

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

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

ASSISTANT: Thank you for approaching us.