You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Paul Robinson here. I'm planning to visit Los Angeles, can you please book a ticket from DFW to LAX?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, my planned departure and return travel dates are 12/22 and 12/24.

ASSISTANT: Do you have any preferences?

USER: Yes, I need 1 halt in between my journey.

ASSISTANT: We do not found any flights running in your preferred dates.

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

ASSISTANT: Thank you for reaching us.