You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Green here.

ASSISTANT: How may I guide you toady?

USER: Can you please reserve me a flight ticket from DCA to DFW?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Sure, my travel dates are from Mar 01 to Mar 03.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in the evening.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1025 in economy class and connection is 1. Is it ok for you?

USER: Ok, please confirm that flight.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.