You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Myself Susan Campbell.

ASSISTANT: Campbell, please wait for a moment.

USER: Ok.

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

USER: That's not an issue. Thank you.

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