Hello.
user
Hello, how may I aid you?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, may I know your name?
assistant
My name is Angela Brown.
user
Please give me a moment to check your ticket status.
assistant
Sure,I will wait for your response.
user
Sorry Angela Brown, no reservation is available by your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant