You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Carol Green. I want to book a flight ticket on 10/22 and 10/24. Can you help me?

ASSISTANT: Sure, kindly provide your source and destination airport codes?

USER: DEN and LAS are my nearest airport codes.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a connecting flight.

ASSISTANT: We found a flight in Southwest airlines with a fare of 200 and single connection in between journey. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your booking is done with 1019 flight number.

USER: Thank you.

ASSISTANT: Thank you for availing us.