You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Sandra White here. Please help me out in booking the ticket from BOS to LGA.

ASSISTANT: Sure, may I know your connection limit?

USER: 1 connection limit.

ASSISTANT: Can you please share your travel dates?

USER: My trip dates will be May 1 to May 3.

ASSISTANT: Do you have any other requirements?

USER: Depart time must be in the afternoon.

ASSISTANT: May I know your name please?

USER: Above mentioned.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok. Thank you.

ASSISTANT: Thank you for opting us.