Hi, Robert Brown here.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation due to the current political tension at my destination city. Can you help me?
user
Sure, I can help you. Please, give me a minute.
assistant
Sure.
user
Thank for waiting, sorry we could not found any reservation.
assistant
No problem and thanks for the information.
user
Thank you for approaching us.
assistant