You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Please share your travelling dates.

USER: My preferable journey dates are Jan 25 and Jan 27.

ASSISTANT: Do you need any connection limit?

USER: I prefer connecting flight for this journey.

ASSISTANT: Could I know your preferable timings?

USER: I prefer to depart in the evening flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name for reservation?

USER: My name is Steven Brown.

ASSISTANT: Sorry, there are no flights available on your required dates.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.