You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Clark. As my father is admited in hospital, I want o cancel my resent reservation.

ASSISTANT: Sure, we are here to make customers happy. No reservation found with your name.

USER: No worries, thank you for your quick response.

ASSISTANT: Thank you for choosing us. Have a nice day.