You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to cancel my flight reservation as I am sick, can you please help me?

ASSISTANT: Can I know your name?

USER: Thank you. Myself Rachel Williams.

ASSISTANT: Sorry, no reservation found by your name. Thank you.

USER: Oh! Sad to hear that. Anyway, thank you.