You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for today?

USER: Can you please help me in booking my flight ticket from SEA to CLT?

ASSISTANT: I am glad to help you in booking your flight ticket, can you please let me know your planned dates of journey?

USER: I have planned my journey on Mar 15 and 17 dates.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need single connection flight.

ASSISTANT: Is there any other preference for your journey to met with?

USER: I prefer to travel in economy class. So, please check with that.

ASSISTANT: Please provide your name for booking purpose.

USER: Myself Linda Martinez.

ASSISTANT: Sorry to say this Linda Martinez, there are no flights which travels to your region.

USER: Ok, thanks for your information.

ASSISTANT: You are welcome, thank you for reaching us.