You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to travel from PHL to ORD. Can you help me to book a flight ticket?

ASSISTANT: Sure I am here to help you out. May I know your travelling dates please?

USER: I want to travel in the flight on Aug 06 and Aug 08.

ASSISTANT: Can you please share your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Ashley Thomas.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ashley Thomas, there are no flights available in your route.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.