Hello, I am Angela Nelson.
user
Hello, how can I assist you today Nelson?
assistant
Actually I have reserved a ticket to Houston last week, but due to some reasons now I want to change my destinationl to Detroit. Could you please modify my existing reservation?
user
Sure, I will help you in changing the destination place. Please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry, no reservation found on your name previously, I think you may have done with other name.
assistant
No issues, thank you for checking with my previous reservation.
user
Thank you for approaching us.
assistant