Hi.
user
Hello, which type of service you are looking for?
assistant
I am looking for a booking agency to change my reservation due to some health concern, that doctor suggested not to travel in flights. So, can you change my existing booking?
user
Sure, our service provide you such a service of changing a flight ticket with out any cost.
assistant
Oh! That's good.
user
Can you please provide your name to check the reservation is existing are not?
assistant
John Perez is my name and ticket is reserved on that name.
user
Sorry, I can not find any reservation done on your name.
assistant
It's alright, thank you for searching my booking.
user
Thank you for choosing our service.
assistant
Most welcome.
user