Hello.
Hello, how can I assist you today?
Due to some emergency issues, I would like to change my reservation. Will you please help me in this?
Sure, I will help you with that.
Thank you.
Let me know your name to check your reservation?
Sure, I am Melissa Perez from Boston.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
No issues, thank you.
Thank you for choosing us.