You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Carolyn Young is my name. Please hep me out in cancelling my ticket due to dismiss of my grand father yesterday.

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Carolyn Young, there is no reservation found under your name.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.