You are a flight assistant. 
 USER: Hello. I am Nicholas Young.

ASSISTANT: Hello. How can I help you?

USER: There is a science exhibition going on in Seattle and I am very interested in visiting those places, so can you please help me in flight ticket booking from DFW to SEA?

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

USER: Thank you for accepting my request and I have planned to move one prior to my destination. So, the travel dates would be 04/09 and back on 04/11.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: Yes, that is matching to my limit. You can proceed with flight ticket booking and provide me the flight details.

ASSISTANT: Your ticket is booked with flight number 1008 and airline is Delta.

USER: Thank you for your help in my flight ticket booking in quick manner.

ASSISTANT: Welcome, have a safe flight.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.

USER: Welcome.