Hi.
user
Hello. How may I help you?
assistant
 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?
user
Can you share your name?
assistant
Deborah Thompson here.
user
Sorry, there is no reservation found under your name.
assistant
That's ok, thank you for your help.
user
Thank you for reaching us.
assistant