You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me to book a flight ticket from DFW to IAH?

ASSISTANT: I am here to help you. Sure, can you please let me know your trip dates?

USER: My travelling dates are Jan 9 to Jan 11.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: Brain Miller here.

ASSISTANT: I found a direct flight in 1029 flight number with Hawaiian Airlines and airfare is 100. Are you comfortable with this flight?

USER: Ok, please proceed to book.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.