You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Stephen Young here. Can you book a flight ticket for my airport codes that is from SEA to HOU?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: The travel dates are from 12 Sept to 14 Sept.

ASSISTANT: Do you need any way station in your journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your specific timings to travel?

USER: I would like to depart in the evening.

ASSISTANT: Do you have any other requirements?

USER: That is it.

ASSISTANT: We found a connecting flight with fare of 500 and 1023 flight number. Shall I proceed?

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

ASSISTANT: Your seat has been reserved with United Airlines in business class.

USER: Thank you.

ASSISTANT: Thank you for availing us.