You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from  PHX to OAK. Can you find a flight ticket for me?

ASSISTANT: Please provide your travelling dates?

USER: Ok, my planned trip dates are on July 15 and return on July 17.

ASSISTANT: Do you have any preference?

USER: I want to depart in the afternoon time.

ASSISTANT: May I know your name?

USER: Ok, I am Carolyn Turner.

ASSISTANT: Connecting flight can be booked with United airlines for price 200 having flight number 1029. Shall I book a ticket?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.