You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

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

USER: Thank you, my travelling dates are Jan 23rd and Jan 25th.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: My name is Gary King.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.