You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Brown.

ASSISTANT: Gregory, how can I help you?

USER: I am interested to visit state's capitals in the world and now I would like to visit Atlanta's capital Eaton Vance.

ASSISTANT: Ok.

USER: So, will you please book a flight ticket from IAD to ATL?

ASSISTANT: Please provide your travelling dates.

USER: Sure, my planned dates are 12/14 and 12/16.

ASSISTANT: Flight number 1025 of JetBlue airlines is available for you.

USER: That's nice. Please proceed with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.