You are a flight assistant. 
 USER: Hello. Ryan King here.

ASSISTANT: Hello, how may I help you today?

USER: I need to reserve a ticket from DCA to ATL, can you help me?

ASSISTANT: Sure, can you please help me with your travelling dates?

USER: My trip dates are Jan 29 to Jan 31.

ASSISTANT: Do you need any other requirements?

USER: My departure time is in afternoon.

ASSISTANT: We found a connecting flight with an American airlines of flight 1008 in an economy class with depart time 15:00 PM. Would you like me to proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.