You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you?

USER: I am Patrick Garcia. I am planning to go for a round trip, DCA with my family, can you please help me to book a flight with single connection?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: My planned trip dates are 12/23 to 12/25.

ASSISTANT: Do you need a lay by?

USER: I already mentioned above.

ASSISTANT: Frontier airline with flight number 1019 is going on your way and fare is 100. Shall I proceed?

USER: Ok, book the ticket.

ASSISTANT: Your booking has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.