You are a flight assistant. 
 USER: Hi,. I am Ronald Baker.

ASSISTANT: Hello, how can I help you?

USER: Due to sudden demise of my grand father I need to cancel my recent reservation. Will you help me in cancelling my ticket?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found on your name.

USER: Ok, no problem. Thank you for sharing the information.

ASSISTANT: Thank you for opting us.