You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I address you?

USER: I want to make a new reservation so that, will you cancel my existing reservation?

ASSISTANT: Ok. Please can I know your good name?

USER: My name is Susan Hernandez.

ASSISTANT: Thank you, please give me moment.

USER: Yeah, you take your time.

ASSISTANT: Thank you for waiting. Sorry for the inconvenience,we did not found any reservation on your name.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us.Have a good day.