You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Ashley Lewis here. I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?

ASSISTANT: Yes, I can help you. Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for consulting us.