Hello.
user
Hello. How may I help you?
assistant
I have to change my flight ticket reservation, can you please help me?
user
Sure, I will help you in changing the reservation.
assistant
Thank you.
user
May I know your name please?
assistant
My name is Timothy Adams.
user
Ok, please wait for a while. Sorry, there are no reservations found.
assistant
Ok, no problem with that one, thank you for your immediate help.
user
Thank you for reaching us.
assistant
Welcome.
user