You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to some family issues, I need to cancel my reservation. Can you help me out?

ASSISTANT: Sure, I will help you. Can you please tell me your name please?

USER: Myself Joseph Perez.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name to cancel further.

USER: That's ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your help.