Hello.
user
Hello, how may I help you?
assistant
Myself Melissa Garcia. I need to change my reservation due to my planned event got postponed. So please help me with that.
user
Sure, I will help you with that.
assistant
Thanks.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
Oh! It's ok no problem. Thank you for your service.
user
Thank you.
assistant