You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Unfortunately my meeting was cancelled so I want to cancel my resent reservation, can you please help me that?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Jack Parker.

ASSISTANT: Can you please wait for a moment, I will check with your reservation.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.