You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Karen Thomas, can you help me to book a flight ticket from NC - CLT to TX - HOU?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: Ok, please try to book a direct flight for the date Mar 11 and return trip date is Mar 13.

ASSISTANT: Please wait for a moment.

USER: Ok, please take your own time.

ASSISTANT: We found 1007 JetBlue airlines with single connection with price 300. Shall I proceed with the booking?

USER: No, I need a direct flight only. Please check.

ASSISTANT: Sorry, we have no direct flights available right now.

USER: That is ok, I will book when I get a flight of my intents next week. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.