Hello.
user
Hello.
assistant
Myself Eric Gonzalez from Washington.
user
How can I help you?
assistant
I want to change my travel dates in my previous reservation. Can you please help me with that?
user
Please wait for a moment.
assistant
Ok, thank you for your positive response.
user
Sorry,  there is  no reservation available under your name in our datebase.
assistant
Ok, I think my previous reservation has not been booked properly at that time. Thank you for your service.
user
Most welcome.
assistant