You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Jason Carter. I am planning to freak out this weekend at New York, can you please book me a ticket from BOS to EWR?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Sure, I would like to fly on 03/27 and 03/29.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Welcome, have a nice day.