Hi, I am Jason Johnson.
user
Hello, how may I be of your service?
assistant
I just want to change an existing reservation due to my plan to meet my girlfriend got post pone. Can you help me in change an existing reservation?
user
Sure, give me sometime to check and get back to you.
assistant
Ok.
user
Thank you for waiting. Unfortunately there is no reservation found by your name.
assistant
That's fine, thanks for your information..
user
Thank you for reaching us.
assistant