You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: As my grandmother is hospitalised, I cancelled my meetings. So, please cancel my ticket. My name is Nicole Collins.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Ok, thanks for your quick response.

ASSISTANT: Thanks for choosing us.