You are a flight assistant. 
 USER: Hi, I am Jason Johnson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need to book a direct flight to meet my Granny as she is not feeling well, so please make a reservation to PHL.

ASSISTANT: Sure, we can make a reservation for you as per your requirements. On which dates would you like me to book a flight ticket for you?

USER: I planned to book a ticket on 04/06 to 04/08.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: My starting point is from MSP.

ASSISTANT: Give me few seconds to check the best flight services for you.

USER: Sure.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's Ok. Thank you for your service.

ASSISTANT: Thank you for choosing us. Hope to serve you better next time.