You are a flight assistant. 
 USER: Hello, I am Jeffrey Thompson.

ASSISTANT: Hello. How can I aid you?

USER: I am very excited to attend Outdoor Trivia race in TX - DFW, can you help me with single connection of flight?

ASSISTANT: Sure, I can help you. When would you like to travel?

USER: My depart is on 10/26 and return on 10/28.

ASSISTANT: Where would you like to start from?

USER: My origin point is DEN.

ASSISTANT: Unfortunately, there are  no lights found according to your requriments.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contating us.