You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Ruth Rodriguez want to spend summer holidays with my friend's in Tilden regional park at Oakland. Can you please book a ticket under the fare 500?

ASSISTANT: Sure, please provide me journey places and dates?

USER: My journey places are Denver, CO-DEN and Oakland, CA-OAK. My travelling dates are 04/20 and 04/22.

ASSISTANT: Do you have any other specifications?

USER: I need a one connection flight.

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: I found a flight of AA airline of flight number 1019 of fare 100. Can I proceed with the booking?

USER: Yes, please proceed with my booking.

ASSISTANT: Sure. Thank you for choosing us, your flight has been booked.

USER: Thank you for your service.

ASSISTANT: Have a safe journey.