You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Charlotte as I need to submit my research record. Can you help me?

ASSISTANT: Sure, when do you want to start your journey?

USER: I need to fly on 05/25 and 05/27.

ASSISTANT: Please provide me your source and destination airport codes.

USER: My airport codes are New York, EWR to Charlotte, CLT.

ASSISTANT: May I know your good name please?

USER: Amanda Mitchell here.

ASSISTANT: Let me know your connection limit.

USER: I need connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: I found a UA airline, flight number: 1023, price: 200 with one connection. Shall I proceed to booking?

USER: Go ahead.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.