Hi.
Hello. How may I help you?
I am Melissa Collins, can you help me for changing my recent reservation?
Ok, give me a moment, till I check for your reservation and revert back to you.
Ok, I will wait for your response.
Sorry Melissa Collins, no reservation was found by your name, are you sure you have made your previous booking with our agency?
Oh! It's ok, no problem.
Thank you for choosing our services.
Thank you for your services.
Most welcome.