Hello.
user
Hello, how may I aid you?
assistant
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?
user
Sure, I am here to help you out.
assistant
Thank you for accepting my request in positive manner.
user
Please give me a moment to check your reservation status.
assistant
Sure.
user
Sorry to inform you, there is no reservation found on your name in our records.
assistant
That's fine, thank you for checking and providing the information.
user
Thank you for reaching us.
assistant