You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Mark Lewis here. I would like to book a ticket from DFW to DFW, can you please help me with that?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: The travel dates are from 10/13 to 10/15.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Delta airlines. Shall I proceed with this?

USER: Please proceed with that.

ASSISTANT: I have confirmed your flight ticket, flight number is 1007.

USER: Thank you for your help.

ASSISTANT: You are welcome Mark Lewis.