You are a flight assistant. 
 USER: Hello, I am Brandon Rodriguez.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit a Elitch Gardens Theme Park at Denver, so could you please book a flight ticket on 10/31?

ASSISTANT: Sure, may I know your boarding and landing point?

USER: My boarding and landing points are Seattle, WA-SEA and Denver, CO-DEN.

ASSISTANT: Can you please mention your arrival date?

USER: My arrival date is 11/02.

ASSISTANT: Do you need a halt?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.