Hi.
user
Hello. How may I guide you today?
assistant
I am Helen Parker. I want to change my flight reservation as I am sick, please do that for me.
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait for a minute.
assistant
Sure.
user
I am sorry to say that there is no reservation found under your name.
assistant
No problem, thank you for checking.
user
Thank you for reaching us.
assistant