Hello.
user
Hello, how can I support you?
assistant
I have given some wrong details while booking my ticket earlier. Is there any facility to modify my reservation?
user
Sure, we will try to resolve your problem and modify your reservation.
assistant
Thank you.
user
On whose name, the reservation has been made earlier?
assistant
I have reserved under the name of  Justin Thomas so you can check with this name itself.
user
Please stand by.
assistant
Sure, I will wait for your response.
user
Thanks for your time, there is no active reservation found in your name to modify.
assistant
I will check my mail once more and I will contact you again if anything wrong. Anyway, thank you for checking.
user
Thank you for availing us.
assistant
Most welcome.
user