You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to reserve a flight ticket from IAD to MCO?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you. My travel dates are June 1 and June 3.

ASSISTANT: Do  you have any preference about the connections.

USER: I would prefer single connection for my journey.

ASSISTANT: Ok, may I know your name?

USER: My name is Dennis Collins.

ASSISTANT: There is a flight in an United airlines which is a direct flight. Can I book the ticket?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: I have booked your ticket with the flight-1015.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.