You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need your help about modification of my reservation which I have done long back to travel in the next month to Chicago but all of sudden my schedule got postponed to some other as on of my relative got expired last night. Can you please help me about that?

ASSISTANT: I am sorry for the loss. Can you provide me your name?

USER: It's ok, my name is Emily Wright.

ASSISTANT: Give me a moment.

USER: Sure, have your time.

ASSISTANT: Emily Wright. I regret to inform that there is no reservation by your name.

USER: No worries, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.