You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight ticket from SEO to MCO?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are Mar 17 to Mar 19.

ASSISTANT: Please recheck your source airport code?

USER: My source airport code is SEA.

ASSISTANT: Ok, Is there any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: Karen Walker.

ASSISTANT: Sorry, there is no flight found with your required date to travel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.