You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Myself Karen Turner. I need to attend a music event at DFW. Can you please help me to book a flight ticket from ATL?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my itinerary dates are 05/04 and 05/06.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.