You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have an important meeting on the same dates, so I am unable to travel the trip. Can you please help me with flight ticket cancellation?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Thank you so much and my name is Gary Thomas.

ASSISTANT: Unfortunately, we did not found any reservation on your name.

USER: Not an issue with that one, I think the ticket has cancelled by my brother. Thank you so much for your help.

ASSISTANT: Welcome, thank you for reaching us.

USER: Welcome.