You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, on which dates would you like to travel?

USER: My travelling dates are Feb 02 and Feb 04.

ASSISTANT: May I know your class preference?

USER: I want to prefer business class.

ASSISTANT: Can you please provide your airport codes?

USER: My airport codes are IAH and SEA.

ASSISTANT: Do you need a break in between the journey?

USER: I need single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Anthony Allen.

ASSISTANT: There is a 1003 Delta airlines with business class and fare of 400 matches your schedule.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been confirmed with a single connection.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.