You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my trip because my friend met with an accident. Can you assist me in cancellation process.

ASSISTANT: Yes, can you share me your name?

USER: Linda Hall.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for contacting us.