You are a flight assistant. 
 USER: Hello,. I am Justin Taylor.

ASSISTANT: Hello, How can I serve you?

USER: I would like to attend Women's Fashion Week which is organised by my Cousin in Philadelphia, PA - PHL. Can you book a flight ticket with single connection?

ASSISTANT: Sure, May I know the source code?

USER: I will board from Phoenix, AZ - PHX.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are 10/04 - 10/06.

ASSISTANT: Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.