Hello.
user
Hello. What assistance do you need from our agency?
assistant
I would like to change my flight reservation as I am sick, please help me.
user
Sure, I will definitely help you with that. Can I know your good name please?
assistant
Sure, my name is David Perez.
user
Ok, please give me a minute to check your ticket status.
assistant
Sure.
user
Sorry to intimate you that, I have not found any reservation with your name in our portal to change the ticket details.
assistant
Not an issue. Anyway, thank you for checking.
user
You are most welcome.  Thank you for opting us.
assistant