You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I would like to book a ticket from BOS to LGA.

ASSISTANT: Sure, may I know the travelling dates?

USER: Depart is by Nov, 11 and return date is Nov, 13.

ASSISTANT: Please help me with your connection limit.

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer normal-cost airlines.

ASSISTANT: May I know your name?

USER: I am Janet Young.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: Thanks.

ASSISTANT: Thank you for availing us.