Hello.
user
Hello. How can I assist you today?
assistant
I am trying to change the trip dates in the past ticket because the examination was postponed. Can you please help me to do that?
user
Sure, will you mention your name for checking the reservation status?
assistant
Thank you for considering my request. My name is Daniel Phillips.
user
Please give me a moment.
assistant
Ok, take your time.
user
Thanks for waiting, there is no reservation found under your name.
assistant
It's ok, not a problem with  that. Anyways thank you for checking my ticket status.
user
Welcome, have a great day.
assistant