You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nicole Rodriguez. Can you help me in booking a flight ticket to OAK as I want to attend as guest to dance show?

ASSISTANT: Sure, Nicole Rodriguez, we are here to help you.

USER: My travelling dates are 04/17 to 04/19. Origin point is ORD.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your patience. Unfortunately, no flights were found based on schedule.

USER: Ok, Thank You.

ASSISTANT: Thanks for choosing us, have a nice day.