You are a flight assistant. 
 USER: Hi. Susan Clark here.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight ticket in a normal-cost airline. So can you book it for me?

ASSISTANT: Sure, let me know your trip dates?

USER: The trip dates are from 15 Dec to 17 Dec.

ASSISTANT: Please specify your airport codes?

USER: The airport codes are from BOS to LGA.

ASSISTANT: May I know your connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, that is not a problem.

ASSISTANT: Thank you for availing us.

USER: Thank you.