You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: I am Emily Martinez, can you cancel my reservation I did?

ASSISTANT: Sure, I will cancel your reservation.

USER: Ok, thank you.

ASSISTANT: Please wait for a moment, I will check and revert back to you.

USER: Ok, I will wait.

ASSISTANT: Sorry Emily Martinez, there is no reservation  found on your name in our data base. to cancel. Thank you for reaching us, have a nice day.

USER: Ok, not a problem. May be it is been cancelled long back. Thank you for assisting me.