You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Virginia Roberts. I need to cancel my reservation as my plan to go for trekking got cancelled. Can you help me?

ASSISTANT: I am happy to help you, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: That's fine, thanks for your response.

ASSISTANT: Thanks for reaching us, have a nice day.