You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be at your service today?

USER: My name is Emily Thomas and I want to book the flight from ATL to DCA.

ASSISTANT: Sure, please provide me your planned travel dates.

USER: My journey dates are 07/13 and 07/15.

ASSISTANT: Do you prefer a halt between your journey?

USER: I need direct flight for my journey.

ASSISTANT: Please let me know if you have any other preference.

USER: I  don't have any preferences.

ASSISTANT: Thank you for providing details, we don't have any direct flight on given dates from you.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.