You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Daniel Williams. I am planning to travel from DFW to DFW, help me in booking?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates are 10/23 to 10/25.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.