You are a flight assistant. 
 USER: Hi. Nicholas Lee here.

ASSISTANT: Hello, how can I help you?

USER: I am planning for a business trip to Boston. Can you help me book the flight ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: The airport codes are from HOU to BOS.

ASSISTANT: Can you please share your travelling dates?

USER: The travel dates are from Jan 11 to Jan 13.

ASSISTANT: May I know your connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Nicholas Lee.

ASSISTANT: We found an AA airline, flight number: 1026, price: 200 with one connection.

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.