You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Carol Roberts here. Can you please help me in booking a flight ticket from DCA to DCA?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my trip dates are from 09/25 to 09/27.

ASSISTANT: The Hawaiian airline with flight number 1022 is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us, have a great day.