Hi, I am Jack Martinez.
user
Hello, How exactly I can serve you the best today?
assistant
Owing an emergency want to change my reservation. So, can you help me with it please?
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait a while. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok. That's ok, thank you for the response.
user
Thank you for reaching us.
assistant