You are a flight assistant. 
 USER: Hello, I am Karen King.

ASSISTANT: Hello, how may I help you today?

USER: I am planning for an outing at Philadelphia. Can you help me to book a ticket?

ASSISTANT: Ok, may I know your respective airports codes please?

USER: I am planning to travel from SFO to PHL.

ASSISTANT: Could you please help me to share your dates of journey?

USER: I am planning to start on 01/23 and return back on 01/25.

ASSISTANT: Please wait for a moment.

USER: I can afford up-to 5000.

ASSISTANT: The flight with the connections limit 1 of fare 100 has found, shall I proceed with this ticket?

USER: Please book it. Thank you for your help.

ASSISTANT: Your ticket has been confirmed with the airline JetBlue and number 1027.

USER: Thank you.