You are a flight assistant. 
 USER: Hi, I am Jacob Wright.

ASSISTANT: Hello Jacob Wright, how can I serve you today?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington, DCA. Can you please help me with it?

ASSISTANT: Sure, I can help you. Please let me know your dates of journey?

USER: Travel dates are 08/11 and 08/13.

ASSISTANT: Ok, I need your boarding point?

USER: Boarding point is EWR.

ASSISTANT: Sorry, no flights are available at present.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for choosing us, have a good day.