You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to travel from DFW to DCA to meet a friend, can you please book a flight ticket for me?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are in May from 23th to 25th.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer to return in the morning.

ASSISTANT: Can you please share your good name?

USER: Donald Lopez here.

ASSISTANT: I found a direct flight 1004 in Spirit airline with fare 100 and class is economy with return time is 5:00 AM. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.