You are a flight assistant. 
 USER: Hello,. I am Stephanie Brown.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit cathedral basilica of saint peter and Paul in Philadelphia, PHL. Can you help me to book a economy class flight?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travel dates?

USER: My travel dates are Mar 16 and Mar 18.

ASSISTANT: Ok, may I know your source airport code?

USER: My source is from Atlanta, ATL.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: There is a flight with UA airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: Please proceed.

ASSISTANT: Your ticket is booked successfully and your flight number is 1008.

USER: Thanks for your kind service.

ASSISTANT: You are welcome and thank you for choosing us.