You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a ticket from LAX to BOS. Could you book a ticket?

ASSISTANT: Sure, I am happy to help you. May I know your travelling dates?

USER: Departure date is Nov, 28 and return by Nov, 30.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer normal-cost airlines.

ASSISTANT: Can I have your good name?

USER: My name is Michelle Parker.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Thanks.

ASSISTANT: Thank you for availing us.