You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Allen.

ASSISTANT: Allen, how can I assist you?

USER: Can you help me for cancelling my recent reservation, because I am unable to travel at this moment?

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

USER: Ok, I will wait for your response.

ASSISTANT: Allen, I have not found any reservation by your name in our database.

USER: Oh! It's ok, no problem thank you for your services.

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