You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I will be attending my family doctor for a health checkup to Atlanta, can you help me?

ASSISTANT: Sure, can you please provide your airport codes?

USER: My appointment date is on june 27th, so my journey dates will be from 06/26 to 06/28. Please, help me in reservation of flight ticket. My location codes are from DFW to ATL.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with 1 connection in JetBlue airlines.

USER: Please, ensure I need direct flight.

ASSISTANT: May I know your name, for further proceeding?

USER: It's emergency, because my health is not doing well. Myself Larry Harris.

ASSISTANT: Sorry, there are no direct flight available right now.

USER: That's ok, I prefer any other airline. Thank you for your help.

ASSISTANT: Please try after some time you can get the direct flight. Welcome.