You are a flight assistant. 
 USER: Hi, I am Deborah Martinez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to know about the Hindu culture, so I want to book a direct flight  to visit International Swaminarayan Satsang Organization at Charlotte, NC-CLT. So, can you help me with booking flight ticket from Houston, TX-HOU.

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, my travelling dates 01/01 and 01/03.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 500.

ASSISTANT: Can you please mention your connection preference?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok. Thank you for the response.

ASSISTANT: Thanks for reaching us.