You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Seattle for the business purpose, can you help me in booking the flight ticket from SEA to DEN?

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

USER: Sure, my planned travel dates are Oct 02 and Oct 04.

ASSISTANT: Do you have any airline preference?

USER: Yes, please look a flight for a normal-cost Airlines.

ASSISTANT: May I know your connection limit?

USER: Sure, My maximum connection limit is 1 for this journey.

ASSISTANT: Do you have any other specification?

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

ASSISTANT: Sorry, no flights are available on your preferable travel dates. Can you please tell me your name for documentation purpose?

USER: That's ok, no problem. My name is Rebecca Taylor. Thank you for the information.

ASSISTANT: Thank you for choosing our service.