You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ashley Roberts here.

ASSISTANT: How can I aid you today?

USER: I want to attend a Marriage in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. May I know your travel airport codes please?

USER: My airport codes are from ORD to PHL.

ASSISTANT: Ok, please provide me your travel dates to book the flight.

USER: My travelling dates are from 12/03 to 12/05.

ASSISTANT: Ok, please be on hold.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, here there is a direct flight available and is it ok for you?

USER: Make sure my connections limit is 1.

ASSISTANT: Sorry Roberts, there is no connecting flight.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us. Have a great day.