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

ASSISTANT: Hello, how can I aid you?

USER: I would like to attend LGBT festival at Phoenix, AZ - PHX. Can you help me in my booking?

ASSISTANT: Sure, please provide me your travel dates.

USER: My journey dates are from 02/15 to 02/17.

ASSISTANT: Can I have your source please?

USER: My origin is Philadelphia, PA - PHL. I need a halt in my journey.

ASSISTANT: Sorry for the inconvenience, there is a direct flight to your destination.

USER: Do not proceed. Thank you for your kind information.

ASSISTANT: Ok, Have a good day.