You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to sudden demise of my great grandfather, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Sure, please provide your name.

USER: My name is Patrick Adams.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, There was no reservation found on your name in our database.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.