You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Lopez.

ASSISTANT: How may I aid you?

USER: I want to travel from DCA to ATL. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help you. Could you please share your travel dates?

USER: I want to travel in the flight in June on 12th and 14th.

ASSISTANT: Please wait for a moment.

USER: I want to have depart time in evening.

ASSISTANT: Thank you for your patience, there is a flight with 1 connection in Spirit airlines and price is 100. Can I proceed?

USER: Proceed to booking.

ASSISTANT: Ok, your ticket is booked with the flight 1013.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us.