You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Brian Gonzalez and I want to book a ticket.

ASSISTANT: OK, could you please provide me your journey details?

USER: My origin airport code is CA-OAK and destination airport code is CO-DEN.

ASSISTANT: May I know your preferable dates of travelling?

USER: My departure date is 03/01 and return date is 03/03.

ASSISTANT: OK, is there is any restrictions in connections and price?

USER: My price limit is 200 and the connections limit is 1.

ASSISTANT: Just give me a moment to check.

USER: OK.

ASSISTANT: I have found a flight for your request. Flight number 1001 from the airline Frontier matches with your request. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: OK, your ticket has booked.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us, have a safe journey.