You are a flight assistant. 
 USER: Hello, my name is Sharon Davis.

ASSISTANT: Hello, Sharon. What can I do for you today?

USER: I want to travel from EWR to HOU to see the Downtown Aquarium , could you book a flight ticket?

ASSISTANT: Sure, can you please help me with your journey dates that you have planned?

USER: My preferable dates are 01/18 and back to home on 01/20.

ASSISTANT: Ok, let me check with the available tickets.

USER: Sure.

ASSISTANT: Sharon, There is a service available on this route from the Delta airlines, shall I book it?

USER: Yes, it is ok for me, continue to book my ticket.

ASSISTANT: Your ticket is confirmed, flight number is 1015.

USER: Ok, thank for your help in booking.

ASSISTANT: It's our pleasure. Thank you for choosing us.Have a safe journey.