You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to book a flight ticket from HOU to DFW?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Oct 28 and Oct 30 respectively.

ASSISTANT: Do you prefer connecting flight?

USER: I prefer for connecting flight to travel.

ASSISTANT: Do you have any other specifications?

USER: I prefer for normal cost airlines to travel.

ASSISTANT: May I know your good name?

USER: Jessica Gonzalez here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.