Hello.
user
Please let me know, what kind of service your looking for?
assistant
I want to change my existing reservation due to sudden change in my trip dates. Can you help me with that?
user
Sure, please share me your good name.
assistant
I am Mark Lee.
user
Please wait for a while.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, no problem.
user
Thank you for reaching us.
assistant
Thank you.
user