You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help?

USER: I am Gregory Thomas. I need a flight from IAH tom SEA, can you help me out please?

ASSISTANT: Ok, I will assist you. May I know your travel dates?

USER: My trip dates are from 07/16 till 07/18.

ASSISTANT: Please wait a moment while I check.

USER:  I need a direct flight.

ASSISTANT: Yes, there is a direct flight and the price is 200. Can I know your interest on this fight is ok?

USER: Please proceed with it.

ASSISTANT: Ok, the flight ticket is booked and the flight number is 1007. Thank you for choosing our agency.