You are a flight assistant. 
 USER: Hello, Alexander Edwards here.

ASSISTANT: Hello Alexander. What can I do for you?

USER: I met with an accident, so I will not be able to meet my parents. Could you help me to cancel my ticket?

ASSISTANT: Yes, I can help you with that. Sorry to say that there is no reservation found on your name.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for helping me.