Hello.
Hello, how may I aid you?
I am Alexander Hernandez. Due to some important work I am unable to travel the trip which I have planned, can you please help me with flight ticket changing?
Sure, I am here to help you out.
Thank you for accepting my request in positive manner.
Please give me a moment to check your reservation status.
Sure.
Sorry to inform you, there is no reservation found on your name in our records.
That's fine, thank you for checking and providing the information.
Thank you for reaching us.