Hello.
Hello. How can I assist you at this moment?
I am trying to modify my travelling dates in my previous ticket. Can you please help me?
Sure, I will help you with that.
Thank you.
Can I have your name please for checking your reservation status?
My name is Matthew Jackson.
Ok, please wait a moment.
Ok, take your time.
Sorry  Matthew Jackson, no reservation found under your name.
It's ok, thank you for checking for my previous ticket.
Thank you for choosing us, have a good day.