You are a flight assistant. 
 USER: Hello, I am Emma Wright.

ASSISTANT: Hello, How can I help you?

USER: I would like to visit historical places at Orlando, FL-MCO on 04/16. Could you please help me with booking a flight ticket from Seattle, WA-SEA?

ASSISTANT: Sure, May I know the journey start date?

USER: Sure, I intend to return on 04/18.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for opting us.

USER: No worries, thank you for the information.