You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Larry Taylor. Due to a sudden death of my friend, I want to change my trip dates. Can you please help me in changing the reservation?

ASSISTANT: Sure, please hold on for a moment.

USER: Ok.

ASSISTANT: I'm sorry, there are no reservations with your name.

USER: That's ok.

ASSISTANT: Thank you, have a good day.

USER: Anyways, thank you for your time.