You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself David Campbell. I would like to meet my friend at New York, will you help me in booking the flight ticket from LAS to LGA?

ASSISTANT: Ok, please mention your trip dates to go.

USER: My preferable journey dates are 11/27 and 11/29.

ASSISTANT: There is a flight-1016 on UA airlines, shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been done with your name.

USER: Thank you for helping me.

ASSISTANT: Thanks for contacting us.