You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my flight reservation as my mother is unwell, can you please help me?

ASSISTANT: Sure, may I know your name to check the reservation list and revert you?

USER: My name is Robert King.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We could not find any reservation by the name your provided.

USER: No problem. Anyway, thank you.

ASSISTANT: Thank you for reaching us.