Hello.
user
Hello. How may I help you?
assistant
I am Catherine Wright.
user
Nice to meet you Catherine.
assistant
I would like to change my existing reservation due to postpone of my seminar. Could you please help me?
user
Sure, I will help you with the change of flight reservation. Please wait.
assistant
Sure.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
No worries, thank you for the information.
user
Thank you.
assistant