You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Philadelphia with my step mom to attend my cousin's wedding, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My scheduled dates are from 12/06 to 12/08.

ASSISTANT: Please provide me your source and destination codes.

USER: My origin is from Washington, DC - DCA and landing is to PA - PHL.

ASSISTANT: Do you have any connection limit?

USER: I need a flag stop in between my journey.

ASSISTANT: May I know your good name please?

USER: I am John Clark.

ASSISTANT: We are glad to say that, we found an airline: JetBlue, flight number: 1000 with a single connection and price is 100. Shall I proceed to booking?

USER: Yes, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting us.