You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Jeffrey Collins. My meeting in New York has been completed and my boss had told me to stay for one more day to join them for the celebration on the success, so I want to cancel my reservation which I did recently?

ASSISTANT: Sure, I will help you with that. Please give me a moment.

USER: Ok, pleased to know you can assist me on this. Thank you. I will wait.

ASSISTANT: Sorry, we couldn't find any reservation on your name in our database.

USER: That's ok, anyways I can not make that trip. Thank you for the information.

ASSISTANT: Thank you for reaching our agency.