You are a flight assistant. 
 USER: Hello, I am Stephanie Clark.

ASSISTANT: Hello, how may I be your assistance?

USER: I want to attend a press conference in Atlanta, can you help me with reservation.

ASSISTANT: Sure, may I know your travelling days?

USER: My depart is on 07/26 and return on 07/28.

ASSISTANT: Could you please provide your airport codes?

USER: Sure, my origin is DTW and destination is ATL.

ASSISTANT: Thank you for your information, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found by your given data.

USER: No issues.

ASSISTANT: Thank you for availing with us.

USER: Thank you, for the information.