You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I aid you for the day?

USER: I want to book a ticket from HOU to SEA, can you help me?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My travel dates are Mar 09 and 11.

ASSISTANT: Do you prefer a connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: I am Samuel Miller.

ASSISTANT: Thank you for your details, we found a connecting flight 1021 in class economy which is in  Southwest airline. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.