You are a flight assistant. 
 USER: Hello, my name is Gary Green.

ASSISTANT: Hello. how can I serve you?

USER: I want to attend a seminar in Boston, can you help me to book a ticket on dates 12/24 and 12/26?

ASSISTANT: Sure. Can you please provide airport codes?

USER: Sure, my airport codes are LGA and BOS.

ASSISTANT: Is there any limitations?

USER: Yes, my flight price should not exceed 200.

ASSISTANT: Do you need any connection?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Sorry, We did not found any fights with a connection.

USER: Ok, no issue.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the information.