You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Actually, my reservation has done with the Delta airline but due to some problems, I want to cancel it. Can you please help me in this intent?

ASSISTANT: May I know your name?

USER: Sure, my name is Jessica Miller.

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

USER: That's fine, thank you for your valuable time.

ASSISTANT: Thank you for reaching us.