You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Lewis.

ASSISTANT: How can I assist you today?

USER: Can you please help me with booking a flight ticket from CLT to DFW?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are from Oct 09 to Oct 11.

ASSISTANT: Do you have any specifications?

USER: I want to start in afternoon time with halt in my journey.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: No problem, thank you for the information.

ASSISTANT: Welcome, have a great day.