You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have a meeting to attend during my journey dates. So, I would like to cancel my reservation.

ASSISTANT: Ok, may I know your name please?

USER: My name is Richard Perez.

ASSISTANT: Richard, no reservation has been found on your name in our records.

USER: Ok, I guess my cousin has cancelled it before. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.