You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me?

ASSISTANT: Sure, I am here to help you but I need your name to check the reservation.

USER: Myself Joshua Hill.

ASSISTANT: Sorry, I could not find any reservation with your name in our database.

USER: Ok, not an issue. Thank you for  your information.

ASSISTANT: My pleasure Joshua Hill.