Hello.
Hello, how can I help you today?
I am Elizabeth Hernandez. I need to change my reservation due to my planned youth festival got postponed. So please help me with that.
Sure, we are here to help you. Wait for a while.
Thank you. I will wait for your response.
Thanks for waiting there is no reservation found on your name.
Oh! It may not be booked properly due to some technical issues while booking. Anyway, thank you  for your time.
Thanks for approaching us.