You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I be of your assistance?

USER: Owing an emergence, I want to cancel my recent reservation. Can you help me it?

ASSISTANT: Sure, I will help you. I need your name for further cancellation process.

USER: My name is Timothy Mitchell.

ASSISTANT: There is no reservation found with your name in our details of reservation.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us for your service.