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 Minneapolis. Can you do the reservation?

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: Dates are 02/26 and 02/28.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are EWR-MSP.

ASSISTANT: May I know your name?

USER: George White here.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for reaching us. Have a good day.