You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Nelson.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, will you please give me a moment?

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok fine, thanks for your response.

ASSISTANT: Welcome, have a great day.