You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Taylor planning to spend my vacation with family at IL-ORD from DC-DCA. Can you book a direct flight?

ASSISTANT: sure, please share me your travelling dates?

USER:  My travelling dates are 03/07 and 03/09.

ASSISTANT: Sorry, there were no flights with your given details.

USER: Ok, no issues. Thank you for providing information.

ASSISTANT: Thank you for reaching us.