You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of services are you expecting from us?

USER: Please help me to book a direct flight from MA to treat an emergency case in CO.

ASSISTANT: Sure, On what dates do you want to travel?

USER:  Sure, I intend to start my journey on Sept 24th and my return date will be on Sept 26th.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: Do you prefer to travel in a connected flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: Ok, May I know your good name please?

USER:  I am Ashley Gonzalez.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there were no flights running to that location due to bad weather conditions.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for reaching our service.