You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden demise of my grand father, I want to cancel my recent reservation.

ASSISTANT: Ok.

USER: Can you help me in my cancellation?

ASSISTANT: Sure, We are here to help you, Please provide me your name.

USER: I am Justin Collins.

ASSISTANT: Please wait a minute to check with the reservation.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting.

USER: Fine.

ASSISTANT: Sorry Collins, there is no active reservation on your name.

USER: Not an issue.

ASSISTANT: Ok.

USER: Thank you for your kind information.

ASSISTANT: Thanks for reaching us.