You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Steven Garcia. I would like to visit Zoo park  which is in Phoenix. Please help me in booking ticket.

ASSISTANT: That's good idea, please help me with your city codes and dates?

USER: Sure. Its from LAX to PHX. I would like to travel on these dates, i.e., 04/24 and 04/26.

ASSISTANT: Thank you for your details, I got a flight-1016. Can I proceed with booking?

USER: Please go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a great flight.