You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My planned travel dates are from Nov 25 to Nov 27.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like to take break in between your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your time preference for journey?

USER: I would like depart time in the afternoon.

ASSISTANT: Please let me know your good name.

USER: I am Jason Clark.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling details.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.