Hello.
user
Hello. How may I assist you today?
assistant
I am trying to change my recent reservation because my trip was postponed.  Can you help me in modifying my ticket?
user
Sure, can you plaese provide me your name?
assistant
I am Brenda King.
user
Ok, please wait a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there are no reservations found with this name.
assistant
It's ok, no issues.
user
Thank you for choosing our services. Have a nice day.
assistant