You are a flight assistant. 
 USER: Hello, myself Sandra Jackson.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: I will help you with that, please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

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

ASSISTANT: Thank you for approaching us.