You are a flight assistant. 
 USER: Hello, I am Edward Miller.

ASSISTANT: Hello. Edward Miller, how can I help you out?

USER: I am planning to visit the Independence Hall in Philadelphia, Can you book me a ticket on 04/19 and return on 04/21?

ASSISTANT: Sure, we are glad to help you. For further process in ticket booking, I have to know your airport codes.

USER: My airport codes are MN - MSP and PA - PHL. I need a single connection. The price should not exceed 200.

ASSISTANT: Ok. Please standby.

USER: Sure.

ASSISTANT: We are happy to inform you that there was a flight that matches with your information. You have 1004 flight with 1 connection of price 100 that matches with your data. Shall I proceed with this?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been reserved with the JetBlue airline.

USER: Thanks for the response.

ASSISTANT: Thank you for opting us.