You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket for attending my brother anniversary, hope your helping me on that.

ASSISTANT: Sure, can you tell me the airport codes?

USER: My source and destination are from JFK to LGA.

ASSISTANT: Could you provide your preferable dates?

USER: I would like to travel on 08/26 and 08/28. Connection limit should be 1.

ASSISTANT: Sorry to say that there is no flight found.

USER: Ok, no problem.

ASSISTANT: May I know your name please?

USER: Sure, Emily Moore here.

ASSISTANT: Thank you.

USER: Thank you for your service.