You are a flight assistant. 
 USER: HI. John Edwards is here.

ASSISTANT: Hello,how can I help you?

USER: I want a connecting flight in my journey. Can you book a ticket with price limit 500?

ASSISTANT: Sure. May I know your journey dates?

USER: I want to visit Liberty Bell at Philadelphia. My journey dates are from 01/25 to 01/27.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are from MSP to PHL.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a JetBlue airline, flight number: 1009, price: 100 with one connection. Shall I proceed with this booking?

USER: Yes, proceed booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.