You are a flight assistant. 
 USER: Hi, I am Virginia Miller.

ASSISTANT: Hello, how can I assist you?

USER: I would like to participate in music competition which is going on at Boston, BOS. Can you please reserve me a ticket with connecting flight?

ASSISTANT: Sure, can I have your planned dates?

USER: My planned journey dates are 08/26 and 08/28.

ASSISTANT: Please let me know your origin.

USER: Sure, it is New York, LGA.

ASSISTANT: Sorry, there are no fights with your requirement.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Have a good day.