You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to meet my sister at Phoenix, could you please help me in booking a ticket?

ASSISTANT: Can you please inform your travel dates for booking flight ticket?

USER: Sure, my travel dates are from 06/06 to 06/08.

ASSISTANT: May I know your preferable airport code names for booking flight ticket?

USER: My airport codes are from DFW to PHX.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I found a flight ticket, airline is Delta and flight number is 1006. Shall I proceed?

USER: Ok, please proceed my booking.

ASSISTANT: My I know your name for booking flight ticket?

USER: My name is Sarah Rodriguez.

ASSISTANT: Ok. Your flight ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.