You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I give assistance to you?

USER: I am planning to celebrate my friend birthday party who lives in Austin. Can you help me in booking?

ASSISTANT: Sure, let me know your journey dates.

USER: I would like to travel on 09/18 to 09/20.

ASSISTANT: Can you please assign your connection limit?

USER: I need a single connection.

ASSISTANT: Ok, may I know your name?

USER: I am Jason Mitchell.

ASSISTANT: Please share your journey airport codes.

USER: My boarding point is from PA-PHL and landing point is TX-AUS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a direct flight in Delta airline. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you for availing our service.