You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Helen Robinson want to attend a workshop at Denver, can you book a ticket on 06/13 and 06/15?

ASSISTANT: Sure, I will help you. Can you please share your source and destination airport codes?

USER: Sure, I want to fly from PHX to DEN.

ASSISTANT: Please wait for a moment, I will check with the available flights and revert back to you.

USER: Ok.

ASSISTANT: There is flight a available on your requested dates from Hawaiian airlines with 1 connecting flight.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is booked with 1016 flight.

USER: Thank you.

ASSISTANT: You are most welcome. Have a safe flight.