You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Patrick Davis here. Can you book a flight ticket for my airport codes that is from DCA to ORD?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: The travel dates are from Dec 29 to Dec 31.

ASSISTANT: May I know your name further process?

USER: I am Patrick Davis.

ASSISTANT: Do you have any other specifications?

USER: I prefer a stopover flight.

ASSISTANT: Ok, wait for some time, I will check and get back to you.

USER: Sure.

ASSISTANT: We found Spirit airlines with connecting flight and number 1002 fare of 100 with economy class, Shall I proceed for booking?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for contacting us.