You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my reservation, help me in that?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: I am Anna Robinson.

ASSISTANT: There is no reservation found under your name. Thanks for reaching us, have a great day.

USER: That's ok, thank you?