You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: I would like to cancel my recent reservation due to terrorist attacks in Paris, can you help me?

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Please provide your name?

USER: Sure, myself Patrica Phillips.

ASSISTANT: No reservation found by name Patrica Phillips.

USER: Oh! That's very sad to hear from you. Anyways, thank you for checking.

ASSISTANT: Thanks.

USER: You are most welcome.