You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me to book a flight ticket from SEA to IAH.

ASSISTANT: Sure, may I know your itinerary dates?

USER: My journey dates are from Dec, 15 to Dec, 17.

ASSISTANT: Which class do you prefer?

USER: I am happy with any class.

ASSISTANT: Do you prefer a direct flight?

USER: I need  a single connecting flight.

ASSISTANT: May I know your name?

USER: Betty Taylor.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: AA airlines with flight 1012 is providing a direct flight and ticket costs you 200 in economy class.

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed Betty Taylor.

USER: Thank you.

ASSISTANT: Thank you for reaching us.