Hello.
Hello, how can I help you?
I want to change my existing  reservation. Due to some health issue. Can you help me?
Sure, we are here to help you.
Thank you.
May I know your name?
Sure, I am Sharon Green.
Ok, wait for some time.
Ok.
Thanks for waiting we found reservations on your name. Can you share me your new journey details?
Oh! that's great. My airport codes are from HOU to LGA. And, my travelling dates are 10/06 and back on 10/08.
Ok, wait for some time.
Ok.
Thanks for waiting there is no flights found on your details.
Ok, no problem. Thank you for your information.
Thanks for approaching us.