You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am William Martinez planning to visit Washington, can you book a ticket within the fare of 200?

ASSISTANT: Sure, could you please provide me with your dates of journey?

USER: Sure, my travelling dates will be 07/14 and 07/16.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: Yes, I want to fly from DEN to DCA.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with the connections limit 1 of fare 100, shall I book this ticket?

USER: Yes, you can book.

ASSISTANT: Your booking is done with the Frontier airline.

USER: Thank you.

ASSISTANT: You are welcome and have a safe flight.