You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Benjamin Thompson. I am planning to attend convocation meeting at IAD, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, I will help you in booking flight ticket Benjamin.

USER: Thank you.

ASSISTANT: Can you please let me know your travel dates for booking flight ticket?

USER: Sure, I would like to take off on 02/12 and return back on 02/14.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Sure. Based on your information, Spirit airline is ready to serve you with 1 connection with a minimum fare of 300 is available for you. Shall I confirm this flight ticket for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1028.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.