You are a flight assistant. 
 USER: Hi. Steven Campbell here.

ASSISTANT: Hello, how may I help you today?

USER: Can you book a connecting flight to Seattle for my family vacation?

ASSISTANT: Sure, when would you like to depart and return?

USER: Yes, my travel dates are from Aug 04 to Aug 06.

ASSISTANT: May I know your airport codes?

USER: The airport codes are from LAS to SEA.

ASSISTANT: Do you have any other requirements?

USER: No, that's it.

ASSISTANT: Ok, we found a Delta airline, flight number: 1013, price: 100 with one connection.

USER: You can book it. I am happy with the airline and fare.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you, have a good day.