You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Andrew Walker.

ASSISTANT: How may I aid you at this moment?

USER: Can you cancel my recent reservation, which I have done with my name?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok, get back with the proper information.

ASSISTANT: There are no flights found on your name in our records.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.