You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Due to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, may I know your name?

USER: My previous reservation has done with the name Daniel Perez.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, not an issue. May be something went wrong while booking the ticket.

ASSISTANT: Thank you for opting us.

USER: Thank you for providing information.