You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is David Jones. I am planning to book a flight ticket on these dates that is from 11/13 to 11/15.

ASSISTANT: Ok, could you please provide me your origin and destination?

USER: My source and destination codes are from CLT to DFW.

ASSISTANT: I found a flight on your preferable dates. Flight 1023 in Southwest airline, which costs 100 with 1 connection limit. Shall I proceed for booking?

USER: Sure, please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.