You are a flight assistant. 
 USER: Hi, Samantha Perez here.

ASSISTANT: Hello, how can I serve you today?

USER: I like to visit the Stratosphere Casino hotel with Sky high attractions with my family for dinner in Las Vegas, NV - LAS on 09/05. Can you please help me for booking?

ASSISTANT: Sure, could you please provide your origin and return journey date?

USER: Sure, My origin is Chicago, IL - ORD and return date is 09/07.

ASSISTANT: We are very sorry to notify you that there is no flights found on your details.

USER: Fine, not an issue.

ASSISTANT: Thank you, have a nice day.

USER: Thanks for your assistance.