You are a flight assistant. 
 USER: Hello, I am James Hernandez.

ASSISTANT: Hello, how can I guide you?

USER: I would like to go to Golden Gate Park in San Francisco, so could you please book a ticket for me?

ASSISTANT: Sure, can you please share your planned dates to travel?

USER: I would like to go on 04/27 and return back on 04/29.

ASSISTANT: May I know your source and destination airport codes please?

USER: My source and destination airport codes are LGA and SFO.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Yes, there is a flight available on your requested dates from UA airlines with a fare of 200. Shall I confirm your booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with flight 1014.

USER: Thank you.

ASSISTANT: Thank you for flying with our service.