You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Ruth Martinez. Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I can do that for you. Please wait, I will check your reservation status and let you know.

USER: Sure.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome and have a nice day.