You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Pamela Walker. Can you please help me in booking flight ticket from Seattle WA-SEA?

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination airport code is Charlotte NC-CLT.

ASSISTANT: May I know your planned travel dates?

USER: I have planned to start on 09/09, my return date will be 09/11.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Its ok, thank you.

ASSISTANT: Thank you for contacting us.