You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Robinson here.

ASSISTANT: How may I help you?

USER: I have to cancel my reservation which I have done earlier to participate in dance programme but unfortunately I have stay back here to take care of my grandmother. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Anyway, thanks for the information.

ASSISTANT: Most welcome.