You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: I am Raymond Hernandez. I would like to cancel my ticket because, I need to attend the surgery as it is a emergency. Please help me in that.

ASSISTANT: Definitely.

USER: Thank you.

ASSISTANT: Reservation found for Raymond Hernandez.

USER: Ok.

ASSISTANT: Reservation is cancelled.

USER: Thank you.

ASSISTANT: Thanks.