You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, may I know your name?

USER: I am Jessica Jackson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: It's ok. Thank you for your response.

ASSISTANT: Thank you for choosing us.