You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Clark.

ASSISTANT: How can I aid you today?

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

ASSISTANT: I will help you.

USER: Thank you.

ASSISTANT: There is no reservation found on your name in our records.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.