Hi.
user
Hello, how may I assist you today?
assistant
I would like to change my flight reservation as I am unwell, can you please help me?
user
Sure, may I know your name?
assistant
Thank you. My name is John Walker.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Sad to hear that. Anyway, thank you for checking.
user
Thank you for reaching us.
assistant