You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Please cancel my ticket on the name of Robert Smith, due to some health issues. Can you help me with this?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Sure.

ASSISTANT: There was no reservations found on your name.

USER: Not an issue, thanks for your quick response.

ASSISTANT: Thanks for choosing us.