You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from IAH to ATL to attend seminar, can you help me in booking?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: I am departing on Dec 10 and return on Dec 12.

ASSISTANT: Do you need any break in between your journey?

USER: I prefer a connecting flight which depart in morning time.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I do not have any other specifications.

ASSISTANT: May I know your name for the documentation process?

USER: My name is Stephen Martin.

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

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.