You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Harris. I would like to cancel my reservation as soon as possible so that I am leaving to the place by road, can you please help me out?

ASSISTANT: Sure, please wait for a moment.

USER: Thank you.

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

USER: But, I need to cancel it. Can you please help me in any alternative way so that I can cancel?

ASSISTANT: Sorry, I have rechecked with your name but cannot find any reservation that matches with your name.

USER: Ok no issues, I will search for alternative.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your services.