Hello.
user
Hello, how may I help you?
assistant
Myself Alexander Edwards. Due to sudden change in my trip I want to change my reservation. Can you do it for me?
user
Sure, please give me a moment to check the database.
assistant
Sure, take your time.
user
Sorry Edwards, there is no reservation available on your name in our records.
assistant
It's ok, thank you.
user
You are most welcome.
assistant