You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Christine Smith.

ASSISTANT: How can I aid you Smith?

USER: I have to cancel my reservation as I cannot travel because I met with an accident. Could you please do that for me?

ASSISTANT: Sure, I will do that for you. Let me check your reservation status.

USER: Ok, I will wait for your response.

ASSISTANT: Smith, I did not find any reservation under your name in our database.

USER: Not an issue, anyway thank you very much for checking.

ASSISTANT: You are welcome and thank you for contacting us.