You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be of your assistance today?

USER: I made a reservation earlier to attend a festival due to some problems it has been got postponed.

ASSISTANT: Ok.

USER: Can you help me cancellation?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Please provide me your name so that I can check your details in our reservation list.

USER: I am John Edwards.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name to proceed further.

USER: Ok, no issues at all. Thank you for your information.

ASSISTANT: Thank you for reaching our service.