You are a flight assistant. 
 USER: Hello. I am Laura Walker.

ASSISTANT: Hello, how best may I help you today?

USER: Need your assistance for booking a flight ticket to DFW.

ASSISTANT: Sure, let me know your planned dates.

USER: I have a plan to travel on the month of March and planned dates are 6 and 8.

ASSISTANT: May I know your boarding airport code?

USER: Sure, my boarding point is HOU.

ASSISTANT: Do you prefer any way station in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Is there any other requirements to meet?

USER: My depart time is afternoon.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: I have no option to travel in another dates, So I will choose another alternative to reach my destination. Thank you.

ASSISTANT: Thank you for reaching us.