You are a flight assistant. 
 USER: Hello, I am Jessica Perez.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from DCA to PHL, can you please help me to book a flight ticket?

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

USER: Sure, my journey dates are Oct 12 and Oct 14.

ASSISTANT: Do you have any specifications to be met?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: I prefer a departure time at Afternoon. Sure.

ASSISTANT: Thank you for your valuable time, we have found a connected flight of Spirit airlines, flight number-1019 and fare is 100 departure time- afternoon. Shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.