Hello, I am John Roberts.
Hello, welcome to flight booking agency. How can I assist you today?
Due to an emergency, I would like to change my existing reservation. Could you please help me out?
Sure, I can help you with that.
Thank you.
Please allow me a moment to check for the previous reservation in our data base.
Ok, take your time.
I appreciate your patience. John, there is no reservation found under your name.
That's ok , thank you.
You are welcome. Thank you for contacting us.