You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Please help me to book a flight ticket from IAH to DTW.

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

USER: I will start on July, 25 and return on July, 27.

ASSISTANT: May I know your name for further process?

USER: Paul Clark here.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: No, thanks.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Southwest airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Please make it confirm.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1017.

USER: Thank you.

ASSISTANT: You are welcome Paul Clark.