You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation as I need to stay back in own city due to my brother coming from India. Can you help me out?

ASSISTANT: Sure, please provide me your name to check the details?

USER: Ok, my name is Daniel Lewis.

ASSISTANT: OK, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: Ok, no problem. Thanks for the kind information.

ASSISTANT: Thank you for reaching us.