You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Actually, my interview has been cancelled so can you please help me in cancelling of a reservation?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Melissa King.

ASSISTANT: Please hold on for a minute, I have to check whether your reservation is existing or not.

USER: Ok, take your own time.

ASSISTANT: There is no reservation found under your name, King.

USER: Ok, no problem. Thank you for providing such information.

ASSISTANT: Thank you for using our service.