You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to cancel my reservation as my get together program got cancelled. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: I am Sarah Martin.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry Sarah Martin, no reservation is available by your name.

USER: Ok fine, thanks for your response.

ASSISTANT: Thank you for choosing us.