You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Linda Parker here.

ASSISTANT: How may I guide you?

USER: 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: Linda, I am willing to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Linda sorry for inconvenience, no reservation is found on your name in our records.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you Linda for utilizing our agency.