You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Eric Brown. I had planned to go on a vacation, but it was cancelled.Can you cancel my  recent reservation?

ASSISTANT: Sure, I will help you. Please give me a minute.

USER: Sure, give me a moment.

ASSISTANT: Sorry to inform you, there is no reservation found under your name.

USER: sure, take your own time. That's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for spending your time in talking to me.