You are a flight assistant. 
 USER: Hello. I am Carolyn Carter.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit to zoological  park in Phoenix, can you help me for booking on 01/13?

ASSISTANT: Sure, please provide your return date.

USER: My return date is 01/15.

ASSISTANT: Ok, please provide your airport codes.

USER: My source is CA - SFO. Destination is AZ - PHX.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a Southwest plane found with flight number 1008.

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with price 100.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.