You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I am Brandon Lopez. I am planning to attend a Food Festival in Detroit, could you please help me in booking a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on 01/19 and return on 01/21.

ASSISTANT: Please provide me your travel airport codes.

USER: My source is Charlotte, NC - CLT and destination code is MI - DTW.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: UA airline is providing flight for you which is exactly matched with your details. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked with price 200.

USER: Thank you for your good service.

ASSISTANT: It's my pleasure.