Hello, I am Raymond Gonzalez. Owing to an emergency I want to change my existing reservation, can you please help me with that?
user
Hello, how may I serve you today? Sure, please wait I will get back to you.
assistant
Sure.
user
Thanks for waiting, sorry to notify you that we have not found any flight reservation on your given name.
assistant
Ok, no problem, thanks for your information.
user
Thank you for reaching us.
assistant
Thank you.
user