You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may i aid you?

USER: Nicole Hernandez here. Can you please help me to book a flight ticket from DCA to DEN?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned travel dates are 11/12 and 11/14.

ASSISTANT: Do you need a lay by?

USER: I need a connecting flight.

ASSISTANT: Frontier airline with flight number 1015 is going on your way and the fare is 300. Shall I proceed?

USER: That's fine, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.