You are a flight assistant. 
 USER: Hi. I'm Stephanie Allen.

ASSISTANT: Hello, how can I assist you today?

USER: I have planned to attend my friend's ceremony at Washington. Can you please book a ticket within a price of 200?

ASSISTANT: Sure, Can you provide me trip dates please?

USER: I would like to depart on 03/09 and return on 03/11.

ASSISTANT: May I now your journey points please?

USER: My origin is Denver, CO - DEN and destination is DC - DCA.

ASSISTANT: Ok, wait for some time.

USER: I need one connection. Sure, I will wait.

ASSISTANT: Thanks for waiting we found Frontier airline with number 1010 and single connection under fare of 100. Shall I proceed for booking?

USER: Yes.

ASSISTANT: Your ticket has been booked. Thanks for choosing us, Have a safe journey.

USER: Thank you.