You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: May I know your name?

USER: My name is Gary Hernandez.

ASSISTANT: There is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us with a query.