Hello.
Hello. How can I help you?
My name is Charles Garcia. I need your help to book a flight ticket.
OK Charles.
Actually I want to change my existing reservation. Can you please help me with that.
OK, please wait so that I can check the details.
Sure.
Yes, I can help you.
Thank you.
Sorry, I did not find any existing reservation on your name.
OK. Thank you for the information.
Thank you for reaching us.