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