You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Lopez here.

ASSISTANT: Lopez, how can I help you?

USER: I want to cancel my reservation for today due to some family issues, can you help me please?

ASSISTANT: Sure, please wait.

USER: Ok, please check with my previous booking soon.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issues with it. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.