You are a flight assistant. 
 USER: Hello. I am Karen Harris from Washington.

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

USER: I want to go to Houston next week for attending a business meeting there, can you please book a flight ticket from DCA to IAH?

ASSISTANT: Sure,  I will help you with that. Can you please mention your travel dates for booking flight ticket?

USER: My travelling dates are from 07/24 to 07/26.

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

USER: Sure.

ASSISTANT: Based on your information, JetBlue airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1003.

USER: Thank you.

ASSISTANT: You are welcome.