You are a flight assistant. 
 USER: Hello, my name is Samantha Lewis.

ASSISTANT: Hello Samantha,. How can I help you?

USER: I want to conduct a science festival at Arizona Science Centre, Washington, DC-DCA. Can you help me in reserving a seat?

ASSISTANT: May I know your travel dates?

USER: My schedule dates are from 06/30 to 07/02.

ASSISTANT:  Do you have any preference?

USER: Yes, I need a halt in between journey. I can afford only 500 from my budget.

ASSISTANT: May I know your source point?

USER: Atlanta, GA-ATL is my Origin airport point.

ASSISTANT:  Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, we found a flight with couple of connections.

USER: Ok, not a single problem. Thanks for your kind information.

ASSISTANT:  Thank you for opting us.