You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service are you looking for?

USER: Myself Kathleen Harris. I want to change my travel dates in my previous reservation so can you please help me with that?

ASSISTANT: Sure, please wait for a while.

USER: Ok, thank you for your response.

ASSISTANT: There is no reservation found on your name to change.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.