Hi.
user
Hello. How can I aid 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
Sure, We are here to help you. May I know your name?
assistant
Brenda Rodriguez here.
user
Give me a minute.
assistant
Ok.
user
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
That's ok, thank you for your help.
user
Thank you for reaching us.
assistant