Hello.
user
Hello, how may I help you?
assistant
Can you please help me to change the travel dates in the past reservation?
user
 To proceed further, can I have your name please?
assistant
My name is Jennifer Johnson.
user
Thank you. Please be online for a while. I will check your reservation status and get back to you.
assistant
Ok, take your time.
user
I am sorry to say you that there is no reservation found under your name in our database.
assistant
It's ok, not a problem with that. Thank you for your time.
user
Welcome Jennifer Johnson.
assistant