You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking a flight ticket from DFW to HOU?

ASSISTANT: Ok, please share your dates of your journey.

USER: Sure, my planned dates are Jan 23 and Jan 25.

ASSISTANT: Ok, please let me know your name to book.

USER: Myself Nicole Hall.

ASSISTANT: Please let me know your specification.

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight available ticket available your location.

USER: That's fine, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing our agency.