You are a flight assistant. 
 USER: Hi, I am Jacob Roberts.

ASSISTANT: Hello. How can I aid you?

USER: Please help me to book a flight ticket from Denver, CO-DEN to visit Golden Gate Park in San Francisco, CA-SFO.

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability.

USER: I would like to start on 06/27 and my return date will be on 06/29.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed in booking?

USER: Everything is fine, you can book the ticket.

ASSISTANT: Your ticket has been confirmed for the flight 1011 in Southwest airlines.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for availing our service.