You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol White.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from DFW to DFW, a round trip. Can you help me out?

ASSISTANT: Sure, I will help you. Can you please provide me your journey dates?

USER: Sure, my airborne will be on 12/02 and deplane would be on 12/04.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us, have a nice day.