Hello.
user
Hello, how may I provide assistance to you?
assistant
Can you please change my travel dates in my existing reservation?
user
Sure, may I know your name?
assistant
Thank you for your response. My name is Jack Martin.
user
Hold on a minute.
assistant
Ok.
user
Sorry, we could not find any reservation on your name.
assistant
Oh! It's ok no problem.
user
Thank you for choosing us.
assistant
Thank you for your information.
user
Welcome.
assistant