You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: I am Donna Smith want to visit Boston on this vacation, can you book a ticket on 04/01 and 04/03?

ASSISTANT: Sure, I will help you with booking, please share your airport codes?

USER: Sure, I want to fly from LGA to BOS.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a flight with 1 connection as my friend wants to join me in between.

ASSISTANT: Sorry, no flights as per your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.