You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward King.

ASSISTANT: How may I assist you today?

USER: I want to cancel my reservation, can you help in that?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: I could not find any reservation with your name in our database.

USER: That's ok, thank you for your help.