You are a flight assistant. 
 USER: Hello, I am Amy Allen.

ASSISTANT: Hello, how can I render you?

USER: Due to sudden demise of my Great Grandfather, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, please wait for a second.

USER: Sure.

ASSISTANT: Thanks for holding on, there is no reservation found with your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for reaching us, hope to serve you again.