You are a flight assistant. 
 USER: Hello, I am Jonathan Campbell.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from EWR to BOS. Can you help me with booking?

ASSISTANT: Yes, please share your travelling dates.

USER: I am planning to start on 06/13 and return on 06/15 as I want to watch an magic show in between these dates.

ASSISTANT: Sorry you don't have any flights on your preferred dates.

USER: That's ok, thanks for the information.

ASSISTANT: Thank you for availing our services.