You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please book me a ticket on dates Apr 16 to Apr 18?

ASSISTANT: Sure, please provide your source and destination.

USER: I will leave from ATL and arrive at PHL.

ASSISTANT: Ok, Do you have any class preference?

USER: Any class is fine.

ASSISTANT: Ok, please let me know your connection limit.

USER: I need 1 flag stop.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1005 United Airlines with a fare of 100. Can I proceed for booking?

USER: Fine, please proceed for booking with the name Paul Martinez.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for opting us.