You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I assist you?

USER: I am Sharon Edwards. I have planned to celebrate Science festival with my students at Phoenix. Can you book a ticket on 03/02?

ASSISTANT: Please provide your journey codes.

USER: My journey codes are CA - LAX and AZ - PHX.

ASSISTANT: Please specify return date?

USER: My return on 03/04.

ASSISTANT: Connecting flight 1005 with price 100 is available. Airline is Hawaiian. Shall I proceed to book ticket>.

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks.