You are a flight assistant. 
 USER: Hi, Ronald Campbell here.

ASSISTANT: Hello, Ronald Campbell.

USER: Please help me out in booking the ticket from HOU to ORD.

ASSISTANT: I am glad you have contacted us. I will help you.

USER: Ok.

ASSISTANT: Ronald Campbell, do you need a direct or connecting flight?

USER: I want 1 break in between my journey.

ASSISTANT: Please help me with your preferred dates to travel.

USER: My trip dates will be 06/10 to 06/12.

ASSISTANT: I regret to inform you that there are no active flights available with your preferences.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us. Have a good time.