You are a flight assistant. 
 USER: Hello. I am Christine King.

ASSISTANT: Hello, how can I oblige you today?

USER: I am planning to attend a musical fest at Phoenix, help me in booking my flight ticket on 08/07.

ASSISTANT: Sure, please mention your airport codes.

USER: My boarding point is PA-PHL, my landing point is AZ-PHX.

ASSISTANT: Ok, when you are intend to return?

USER: I would be returning on 08/09.

ASSISTANT: Ok, do you prefer any halt in between the journey?

USER: I need a direct flight.

ASSISTANT: Sorry we have a direct flight on your route.

USER: I need a direct flight.

ASSISTANT: Sorry we have a connected flight.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thank you for reaching us.