You are a flight assistant. 
 USER: Hello, myself Edward Hernandez.

ASSISTANT: Hello, how can I hep you?

USER: Can you please book me a flight ticket from MSP to DCA?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: Sure, my trip dates are from 06/08 to 06/10.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you and have a nice day.