Hello.
Hello, how may I help you?
I am Rachel Walker. Due to my health problem I want to change my reservation dates, can you please help me to change me reservation dates?
Sure, I will help you with the change of flight reservation.
Thank you.
Thanks for waiting patiently. But I regret to inform you that that there is no flight reservation on your name to change it.
Ok, no problem. Thank you so much for your response.
Thank you.