You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to meet my boss at Las Vegas, can you please help me to book my flight ticket from DCA to LAS?

ASSISTANT: Sure, could you please share your journey dates?

USER: I have to depart on Feb 25th and return back on Feb 27th.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Samantha Davis.

ASSISTANT: We found  a connecting flight 1019 from Frontier airline has fare 100. Shall I proceed?

USER: Yes, please book the ticket for me.

ASSISTANT: Your booking has been processed.

USER: Thank you very much.

ASSISTANT: Thank you for availing us.