You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, can you please share your name?

USER: My name is Nicholas Allen.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.