You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a direct flight from SEA to IAH, can you please help me to book a flight ticket?

ASSISTANT: May I know your travel dates?

USER: My journey dates are Mar 20 and Mar 22.

ASSISTANT: Do you need any connections?

USER: I mention above.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

ASSISTANT: May I know your name for booking?

USER: My name is Thomas Hall.

ASSISTANT: Flight number 1008 with price 100 and economy class with no connections is available, is it ok for you?

USER: May I know it is a direct flight or connecting flight?

ASSISTANT: As I mentioned above, it is a direct flight.

USER: Ok, please book.

ASSISTANT: Your ticket has been booked. Depart time is 18:00PM and arrival time is 11:00AM.

USER: Thank you for your help.

ASSISTANT: Thank you for using our service. Have a safe trip.