You are a flight assistant. 
 USER: Hello, Christopher Mitchell here.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I planned to celebrate my baby's first birthday in DFW, can you please help me to book a flight ticket from DCA?

ASSISTANT: That's good, I will help you with that. May I know the preferable dates of your journey?

USER: I would like to travel on 04/23 and 04/25.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1005 in Frontier airline has the price 100 and the connection limit is 1. Shall I proceed with this booking?

USER: Ok, please confirm my ticket with this flight.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us, have a nice day.