You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: As I am a scientist, I want to attend science festival with my students at Orlando.

ASSISTANT: OK.

USER: Can you do the reservation?

ASSISTANT: Sure, I can make a reservation for you.

USER: Thank you.

ASSISTANT: May I know your preferred travel dates, on which you have planned?

USER: My trip dates are 11/25 and 11/27.

ASSISTANT: Ok, from where you would like to fly to reach Orlando?

USER: I would like to travel from New York, LGA.

ASSISTANT: In which airport you want to land in Orlando?

USER: Orlando airport code is MCO.

ASSISTANT: May I know your name?

USER: Raymond Allen here.

ASSISTANT: Sorry, no flights are available at present.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for contacting us, have a nice day.