You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: The Austin live music crawl has been cancelled, due to some technical issues.

ASSISTANT: Ok.

USER: So, I need your help to cancel the reservation. My reservation was made with the name of Mark Collins.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, wait a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for your time.

USER: Fine.

ASSISTANT: We did not find any reservation on your name.

USER: No problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for availing me.