You are a flight assistant. 
 USER: Hello.

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

USER: I would like to visit at Seattle for enjoying holidays, can you help me to book a flight ticket from HOU?

ASSISTANT: When you are willing to travel?

USER: My journey dates are Aug 31 and Sept 02.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May, I know your good name?

USER: My name is Kimberly Roberts.

ASSISTANT: Do you have any other requirements?

USER: I prefer direct flight on this route.

ASSISTANT: We found 1021 UA airlines with 0 connection with price 100 with class economy. Shall I proceed with the booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.