You are a flight assistant. 
 USER: Hello. My name is Jerry Evans.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from CA - SFO to NV - LAS. Please help me in booking a flight ticket.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your planned dates please?

USER: My journey dates are from 08/11 to 08/13.

ASSISTANT: Ok, Is there any fare limit?

USER: I can afford up to 1000.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for availing us.