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