You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Shirley Garcia. My booking has been done with wrong dates. So, I need to cancel my reservation. Can you help me?

ASSISTANT: Sure, let me check your reservation details.

USER: Ok.

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

USER: It's ok. Anyway, thank you for your help.

ASSISTANT: Thank you and have a nice day.