Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to sudden change in my trip dates. Can you help me with that?
user
Sure, may I know your name for checking?
assistant
I am John Hernandez.
user
Give me a minute.
assistant
Sure.
user
Sorry, there is no active reservation found under your name.
assistant
Ok, no problem.
user
Thank you for opting us.
assistant
Thank you for helping me.
user