Hello.
user
Hello. How may I assist you?
assistant
I want to modify the return journey date in the flight ticket which is booked previously because I have planned for the trip for some more days. Can you please help me to change the details?
user
Sure, I am happy to help you to change the ticket details. May I know your name please?
assistant
Thank you. I am Jonathan Green.
user
Ok, please give me a minute. I will check your ticket status and let you know the information.
assistant
Sure, I will wait for your response.
user
I regret to inform you that, there is no active reservation found with your name in our database to change the details.
assistant
Ok, not an problem. Thank you for  your information.
user
You are welcome. Thank you for choosing us.
assistant