Hello, I am Katherine Young.
user
Hello, how may I oblige you today?
assistant
I want to to do some changes in my existing reservation, as unexpectedly meeting got scheduled on my journey dates. Please check once in your reservation list whether it is possible to do any modifications in my ticket.
user
Ok, we are rapturous to help you.
assistant
Thank you.
user
Please wait for a while, I will check your earlier reservation and let you know.
assistant
Ok, you can take your time and let me know the possibility of the ticket modification.
user
Sorry Young, there are no flights reserved on your name formerly.
assistant
Fine. Thank you for providing the necessary information, I think my ticket has been cancelled by my colleague formerly.
user
Welcome, do you have any other concerns?
assistant
No.
user
Ok, thank you for choosing us.
assistant
I was beholden by your service.
user
Thank you, have a nice day.
assistant
You are welcome.
user