You are a flight assistant. 
 USER: Hi, I am Nicole Allen.

ASSISTANT: Hello, how can I help you?

USER: I am participating in College Football Game competition at Washington, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 01/08 to 01/10.

ASSISTANT: Can you please share your source and destination?

USER: My source is Las Vegas, NV-LAS and destination is Washington, DC-DCA.

ASSISTANT: Do you have any price and connection limit?

USER: Ticket fare limit is 1000. One connection is needed.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to say that, there is no flights were found with your details.

USER: Ok, no problem.

ASSISTANT: Thank you, for connecting with us.

USER: Thank you for giving response.