You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to reserve my ticket from BOS to JFK to visit New York, can you please help me in booking?

ASSISTANT: Can you share your travel dates?

USER: Sure, my planned dates of journey are from Nov, 08 to Nov, 10.

ASSISTANT: Do you need any connections?

USER: Yes, I want a connecting flight.

ASSISTANT: Are there any other preferences?

USER: Yes, I want a return time at evening with the economy class.

ASSISTANT: May I know your name?

USER: Sure, my name is Carol Anderson.

ASSISTANT: Sorry to say that, there is no flight found with your details.

USER: Ok, that's fine. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.