Hello.
user
Hello.
assistant
Jack Thompson here.
user
How may I assist you now?
assistant
I would like to change my recent reservation because of some personal work, can you help me with this?
user
Jack Thompson, please allow me to check with your previous booking.
assistant
Sure, take your own time.
user
Sorry to say, there are no flights available for your journey. No reservation was found by your name.
assistant
That's fine, thanks for your information and help.
user
Thank you for choosing our services.
assistant