Hello.
Hello, what help  you are expecting from us?
I have planned to go for a trip but it is postponed for another dates, can you please help me to change my existing reservation?
Sure, I will help you. Please tell me your good name, so that I can check the existing reservation?
Ok, I am Frank Martinez.Can you please check out with that?
Sure, I will check. Please give me a moment.
Ok, but please make it fast.
Sorry Frank, there is no reservation under your name.
Ok, thank you.
Thank you for approaching us. Hope you will reach us in the future. Have a good day.