Hello.
user
Hello.
assistant
I am Brian White here.
user
White, how can I help you?
assistant
I am planning to change my travel dates. Can you please help me in change my existing reservation?
user
Sure, I will be happy to help you. Please wait for a while, I will check your reservation status and let you know.
assistant
Sure, I will wait for your positive information.
user
Brian, I did not find any reservation under your name in our database.
assistant
Not a problem, anyway thank you for the information.
user
You are most welcome and thank you for choosing us.
assistant