You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Carter here.

ASSISTANT: How can I assist you at this moment?

USER: I am looking for a direct flight to meet my patents in Detroit, could you book my ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My itinerary dates are 11/25 and 11/27.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are HOU and DTW.

ASSISTANT: Please be hold on for a moment to check flight availability.

USER: Sure.

ASSISTANT: There is a flight in JetBlue airlines with connection 1 and price 100, is it ok for you?

USER: I need direct flight.

ASSISTANT: Yes, there is a flight in Hawaiian airlines with connection 0 and price 700, is it ok for you?

USER: Please book my ticket.

ASSISTANT: Ok Andrew Carter, I have reserved a ticket with flight number 1020.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us, have a great journey.