You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from HOU to DEN, can you help me in booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: Sure, my planned travel dates are June 10 and June 12.

ASSISTANT: Ok, please share your name.

USER: Myself Jason Anderson.

ASSISTANT: Let me know your connection limit.

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to return my journey for the evening flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.