You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to attend mechanical workshop, can you please book the ticket from EWR to LAX?

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: Sure, my planned departure and return travel dates are 17th and 19th of July.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer single connected flight to travel.

ASSISTANT: Are there any other specifications for you?

USER: I don't have any other specifications.

ASSISTANT: May I know your good name?

USER: My name is Richard Garcia.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.