You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to make a journey from HOU to DFW. Can you please help me with the booking?

ASSISTANT: Sure, may I know the travelling dates?

USER: My trip dates are Mar 14 to 16.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Joseph Brown.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.