Hello.
user
Hello, how may I guide you now?
assistant
I want to change my existing reservation due to sudden demise of my grand father. Can you please help me with this?
user
Ok, please mention your good name so, I can check with your previous reservation.
assistant
Sure, my name is Ruth Lewis.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, there is no flight reservation available in the reservation list.
assistant
Ok, no problem.
user
Thank you for choosing us.
assistant
Thank you for checking.
user
Most welcome.
assistant