You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from ORD to MSP?

ASSISTANT: Sure, please share your journey dates?

USER: Thank you. I have planned my travel dates as Mar 21 and Mar 23.

ASSISTANT: Do you have any specifications?

USER: I would prefer normal cost airlines so please make sure that.

ASSISTANT: Can I have your name to proceed?

USER: Sure, myself Joshua Davis.

ASSISTANT: We found a flight in American airlines, flight number is 1004 with single connection and price is 100 economy class. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.