You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a ticket from AUS to PHL, can you please help me out?

ASSISTANT: Can I know your travelling dates?

USER: I am travelling on these dates Aug 20th and 22nd.

ASSISTANT: Do you need connecting flight?

USER: I need single connected flight.

ASSISTANT: Do you have any other preference?

USER: I don't have any other preferences.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Here is a connecting flight with fare 200 and 1004 as flight number in Delta Airline. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: May I know your name please?

USER: Samantha Allen here.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.