You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best assist you today?

USER: I want to book a direct flight to attend an important meeting in The Logan Philadelphia Hotel. Can you assist me in this?

ASSISTANT: Sure, please share your travelling dates?

USER: Ok, my travelling dates are 06/08 and 06/10.

ASSISTANT: May I know your planned travelling airport codes?

USER: Sure, my planned airport codes are Phoenix, AZ - PHX and PA - PHL.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I have mentioned it above that I need a direct flight.

ASSISTANT: May I know your good name?

USER: Christopher Carter is my name.

ASSISTANT: I hardly tried to find a direct flight, but there is no direct flights available with the given route.

USER: Ok, no problem at all. Thanks for the kind information.

ASSISTANT: Thank you for opting us.