You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jack Adams. I want to attend my friend marriage at ATL, can you please book me a ticket from ATL?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I have planned to travel on Jun 30th and return on July 02nd.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.