You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Sandra Mitchell and I want to cancel my recent reservation.

ASSISTANT: Ok, please hold on I will check the status and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. We did not find any reservation on your name.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.