You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: My business meeting place got changed to Phoenix, can you please help me in changing the reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Raymond Allen.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for choosing us.