You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Dorothy Johnson. I want to book a direct flight ticket to attend an emergency case at NY-EWR. Can you help me?

ASSISTANT: Sure, may I know your boarding point?

USER:  I would like to board from MN-MSP .

ASSISTANT: When are you going to travel?

USER: 05/08 and 05/10 are my travelling dates.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights available on your preferred dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us, hope we serve you next time.