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