You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking my flight ticket from DEN to IAH?

ASSISTANT: I am glad to help you. May I know your trip dates?

USER: My planned travel dates are Sept 28-30.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer to fly in connected flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Do you have any specific time concern?

USER: No, I do not have any specifications.

ASSISTANT: Could you help me with your name please?

USER: Myself, Christopher Davis.

ASSISTANT: Hawaiian Airlines is providing a connecting flight with airfare 200. Shall I proceed with this flight?

USER: Ok, please proceed.

ASSISTANT: For a economy class your ticket is booked with flight 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.