You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: Can you aid me in booking a flight ticket from SEA to CLT?

ASSISTANT: May I know your travelling dates?

USER: Sure, I would like to go on July 15th and return back on July 17th.

ASSISTANT: Can you please let me know your connection limit?

USER: Ensure it is direct flight.

ASSISTANT: May I know your name?

USER: Myself Helen Garcia.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other requirements.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.