Hello.
Hello. How may I aid you?
I would like to change my existing flight reservation that has been booked earlier this week.Could you please help me in re-modifying my dates in the reservation?
Sure, I am happy to help you in modifying the  ticket details. Can you please let me know your good name to check the ticket status?
Myself Jack Gonzalez.
Ok, please give me a moment.
Ok.
I am sorry to inform you that, I have not found any active reservation on your name to modify.
It's ok. Thank you.
Most welcome. Thank you for reaching us. Have a nice day.