You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Andrew Phillips.

ASSISTANT: How can I aid you?

USER: I have a plan to meet my friend at Charlotte, can you help me for booking?

ASSISTANT: Can you please tell me your airport codes?

USER: My airport codes are from BOS to CLT.

ASSISTANT: May I know your travel dates?

USER: I would like to travel on 01/20 and return on 01/22.

ASSISTANT: Please wait a moment.

USER: My connection limit should be 1.

ASSISTANT: As per your request, I found a flight 1013 with 1 connection and airline is Southwest. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.