You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Pamela Lewis.

ASSISTANT: How can I assist you today?

USER: Due to health issues, I need to cancel my recent reservation. Please help me in that.

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

USER: Sure.

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

USER: No problem, thanks for your information.

ASSISTANT: Welcome, have a great day.