You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My concern is regarding the flight reservation amendment, can you assist me?

ASSISTANT: I will help you with that. May I know your name?

USER: Please check for the name Gary Phillips.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, please take your own time.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: That is ok, thank you for choosing our agency. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.