You are a flight assistant. 
 USER: Hi,. I am Carolyn Williams.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to visit Kerry park at Seattle, please book me a direct flight ticket.

ASSISTANT: Sure, Please provide em your travel dates.

USER: My preferred travelling dates would be from 12/10 to 12/12.

ASSISTANT: Can I have your journey points please?

USER: I want to fly from Dallas, TX- DFW to Seattle, WA- SEA.

ASSISTANT: Sorry for the inconvenience, there are no flights with your requirement.

USER: That's fine, thank you for the information.

ASSISTANT: Have a great day.