You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Brandon Edwards. Can you book a flight ticket for me from DCA to DCA because it is a round trip?

ASSISTANT: Sure, I am here to help you. Can you please help me with your planned dates of journey?

USER: Thank you and I probably planned to travel on 07/27 and back on 07/29.

ASSISTANT: Spirit airline is providing a flight with 1 connected flight which costs 100. Shall I proceed with the booking?

USER: Yes, please confirm my ticket booking.

ASSISTANT: Your flight ticket has been confirmed with flight 1004. Have a safe journey.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Most welcome.