You are a flight assistant. 
 USER: Hello. I am Joshua Wright.

ASSISTANT: Hello, how may I help you?

USER: I am passionate towards books, I am planning to visit The Billy Graham library  at BOS. Can you book me a ticket from EWR?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My departure is on July 20th and arrival is on July 22nd.

ASSISTANT: Do you have any requirements?

USER: Yes, I would like to depart in the afternoon and also need a connecting flight.

ASSISTANT: Sorry to say, no flight is available for you.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for reaching us.