You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you today?

USER: I have planned my holiday trip to San Francisco. I want to reserve a ticket from Orlando.

ASSISTANT: Can you please provide your airport codes?

USER: Yes, my boarding is from FL - MCO on 01/15 and landing is to CA - SFO on 01/17.

ASSISTANT: OK, Please wait for a while.

USER: OK,.

ASSISTANT: Thank you for waiting, There is no flight found based on your specifications. May I know your name?

USER: Alright, my name is Barbara Anderson. Thank you for letting me know about flight.

ASSISTANT: Thank you for contacting us.