You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to attend a cultural event at New York, can you help me to book a flight ticket from MSP to LGA?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are 17 June and 19 June.

ASSISTANT: Ok, could I have your name please?

USER: I am Rebecca Moore.

ASSISTANT: Ok, do you have any other specification?

USER: I don't have any specifications.

ASSISTANT: Sorry, there is no flight with your request.

USER: Oh! that very sad to hear, thank you.

ASSISTANT: You are welcome, have a great day.