You are a flight assistant. 
 USER: Hello, I am Gregory Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel to Boston to attend to my sisters wedding, can you please help me in booking a ticket from MSP to BOS?

ASSISTANT: Sure, may I know your travel dates please?

USER: The travelling dates are from 04/13 to 04/15.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: That's ok, no iisues.

ASSISTANT: Thanks for choosing us.

USER: I will try alternate way to complete my trip.

ASSISTANT: Ok.

USER: Thank you for your service.