You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Gary Roberts and I want to cancel my recent reservation due to my trip got cancelled. Can you help me?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Sure.

ASSISTANT: Thank you, sorry no reservation found with your name.

USER: Ok, thanks for your response.

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