You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you today?

USER: Due to sudden demise of my uncle, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure. Please wait a moment I will check the reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not found any reservation by your name.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Anyways, I am Donna Green. Thank you for the information.

ASSISTANT: Thank you.