Hi.
Hello, how may I help you for the day?
My father want to stay for some more days with his sister in Philadelphia, can you please help me to change his reservation?
Sure, may I know the preferable airport codes for the journey?
Sure, he want to travel from PHL to IAD.
May I know your father's name to check with the status of his previous reservation?
Yes, his name is Jonathan Lee.
Sorry to tell you but there is no reservation found under your father's name.
Oh! That's fine, anyway thank you for checking.
Thank you for reaching our services, have a nice day.