You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Amanda Clark. I am planning to attend a music event at Boston. Can you please book a ticket from LAX to BOS?

ASSISTANT: Sure Clark, please help me out with your travel dates to proceed.

USER: My travelling dates are 07/18 and return back on 07/20.

ASSISTANT: Ok, please give me a moment to check.

USER: Make sure my connection limit is 1. Ok.

ASSISTANT: Sorry Clark, there are no flights available on your preferred dates and route.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome, have a good day.