You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy Allen. Can you cancel my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thanks.

ASSISTANT: Allen, please wait for a while.

USER: Sure, get back with my status of reservation.

ASSISTANT: Allen, there is no reservation under your name.

USER: It's ok, thanks for your response.

ASSISTANT: You are welcome.