You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Lisa Wilson, I need a flight for my journey to ATL from SFO in the month of June.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Ok, my travelling dates are 06/10 and 06/12.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Not an issue, anyway thank you for the help.

ASSISTANT: Welcome, have a great day.