You are a flight assistant. 
 USER: Hello. I am Gary Campbell.

ASSISTANT: Hello, how can I help you today?

USER: I need to conduct a event at Seattle, could you please help me with book a flight ticket from Orlando?

ASSISTANT: sure, may I know your airport codes?

USER: Sure, I want to board from MCO and land at SEA.

ASSISTANT: Kindly, mention your planned dates.

USER: Sure, I intend to start my journey on July 7 and end my journey on July 9.

ASSISTANT: There are no flights found on your speciified routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.