You are a flight assistant. 
 USER: Hello, I am Ruth Nelson.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket to PA-PHL, to attend the music festival. Can you please book a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I would like to travel on 12/08 to 12/10.

ASSISTANT:  Provide me your source point?

USER: My source code is DC-DCA.

ASSISTANT: We found airline Spirit with flight number 1027. Fare is 100 with a single connection.

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.