You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Green.

ASSISTANT: How may I assist you now?

USER: I need to book a flight ticket from SEA to LAS, Can you please help me for booking?

ASSISTANT: Patricia Green, may I know your desired dates for this journey please?

USER: I would like to travel on 09/07 to return on 09/09.

ASSISTANT: No flights are currently available for your requested journey, sorry for the inconvenience.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching our services, have a great day ahead.