You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: William Wright here. I want to book a flight ticket from ERW to MSP.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My trip dates are May 3 to May 5.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your source code?

USER: My source code is EWR.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight?

USER: You can proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1011 in AA airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.