You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Williams.

ASSISTANT: How can I assist you at this moment?

USER: Can you help me in flight ticket booking from LAX to IAD to meet my sister who is a teacher?

ASSISTANT: Sure Larry Williams, I will help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please?

USER: My travelling dates are on 10/20 and return back on 10/22.

ASSISTANT: Ok, please be hold on for a moment to check for flight availability.

USER: Ok, please go ahead.

ASSISTANT: Yes, I have found a flight in Delta airlines with connection 1 and price 100, is it ok for you?

USER: Yes, please confirm the ticket.

ASSISTANT: Ok Larry Williams, I have reserved a ticket with flight number 1022.

USER: I am happy with your quick service in my ticket booking.