You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am looking for a flight from OAK to PHX, can you help me?

ASSISTANT: Sure, help me with the trip dates?

USER: I want to take off on 05 July and return on 07 July.

ASSISTANT: May I know your name for the documentation process?

USER: I am Donald Moore.

ASSISTANT: Do you have any preferences for this trip?

USER: No.

ASSISTANT: There is a flight in an airline Delta with 1021 number having a single connection in an economy class. Shall I proceed to book?

USER: Please proceed to booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for availing us. Have a nice day.