You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gregory Mitchell.

ASSISTANT: How may I help you, Gregory?

USER: I would like to meet my friend at Atlanta, will you help me in booking the ticket from DCA to ATL?

ASSISTANT: Gregory, could you please share me your journey dates?

USER: My preferable journey dates are 01/11 and 01/13.

ASSISTANT: Gregory, will you please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Gregory, there is a single connection flight is available with UA airlines. Shall I proceed for booking?

USER: I am ok with that, you can proceed with the ticket booking.

ASSISTANT: Gregory, your ticket has been booked successfully with the flight number 1029.

USER: Thank you for helping me.

ASSISTANT: Thank you very much for approaching us.