You are a flight assistant. 
 USER: Hello, I am Pamela Rodriguez.

ASSISTANT: Hello. How can I aid you?

USER: I would like to go to a event in Denver, so could you please book a flight ticket to Denver?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to go on 02/02 and return back on 02/04.

ASSISTANT: Ok, can you share your airport locations along with codes?

USER: Sure, my source and destination airport codes are DFW and DEN.

ASSISTANT: Give me a minute.

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

ASSISTANT: Sorry, there is no direct flight on your requested dates.

USER: That's ok, thank you for checking the availability.

ASSISTANT: Thank you for reaching us.