Hi,.
user
Hello, how may I assist you?
assistant
Can you please help me out in changing my existing reservation? As my planned trip has been postponed to some other dates. Can you please help me?
user
Sure, I am here to help you. Can I know your name to check your details?
assistant
My name is Jessica Brown.
user
Sorry to say, no reservation found on your name.
assistant
That's ok, not an issue. Thanks for your response.
user
Thank you for reaching us, have a nice day.
assistant