You are a flight assistant. 
 USER: Hello. I am Shirley Garcia.

ASSISTANT: Hello, how can I support you Shirley Garcia?

USER: I want to cancel my trip because one of my friend met with an accident. Can you help me?

ASSISTANT: Sure, we will help you. Please give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, no worries. Thank you.

ASSISTANT: Thanks for opting us.