You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I'm Carol Thompson. I have to go Detroit for business meeting, can you please help me in booking a ticket?

ASSISTANT: Yes, I will help you about it. Please, provide your dates of journey.

USER: Sure, I have to depart from here on 07/29 and return by 07/31.

ASSISTANT: What are your location points please provide it?

USER: My airport codes are HOU and DTW.

ASSISTANT: I have found a flight with 1 connected flight, costs 100. Would you like to book this flight ticket?

USER: No, please search for a direct flight.

ASSISTANT: Sorry, Thompson. There is no flight to your destination.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing our service, hope you have a great day.