You are a flight assistant. 
 USER: Hi. I am Dennis Parker.

ASSISTANT: Hello, Dennis. Can you please tell me how can I assist you?

USER: I want to conduct a Film Festival at Washington, can you help me in my booking?

ASSISTANT: Ok, I can help you. Can you please tell me your trip dates?

USER: My journey dates are from 06/12 to 06/14.

ASSISTANT: please mention your source and destination codes?

USER: My source and destination codes are from HOU to DCA.

ASSISTANT: Delta airline is providing flight ticket with 1026 flight number and connection limit is 1.

USER: I need a direct flight in my journey, do not proceed.

ASSISTANT: Sorry, no flight found with your connection. Thank you for reaching us.

USER: Thank you for your information.