You are a flight assistant. 
 USER: Hello, myself Robert Nelson.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit famous monuments in Washington. Can you help me in booking a ticket from ORD to DCA?

ASSISTANT: Please provide me your journey dates.

USER: My planned journey dates are 01/10 and 01/12.

ASSISTANT: Please wait for a minute.

USER: Ok, make sure the flight has 1 connection.

ASSISTANT: There are no flights available with your preferences.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.