You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Dorothy Davis here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found with your given name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.