Hello.
user
Hello. How may I assist you?
assistant
I want to change my departure and arrival day in my existing reservation, can you please help me out?
user
Yes, can you tell me your name?
assistant
Sure, my name is Donald Scott.
user
Sorry to inform you that there is no reservation found on your name.
assistant
It's ok, thank you for the information.
user
Thank you for contacting us.
assistant