You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Due to some financial problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Brian Williams.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.