You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due o some personal issues, please help me in cancelling my recent reservation.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: My name is Joseph Robinson.

ASSISTANT: Joseph, there is no reservation found with your details.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for contacting us.