You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: As my meeting with my manager was postponed, can you please help me by changing the existing reservation?

ASSISTANT: Sure, may I know your name please to check the reservation status?

USER: My name is Kenneth Thompson.

ASSISTANT: Thompson, there is no reservation found with your details.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a good day.