You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Helen Perez.

ASSISTANT: How may I assist you Helen?

USER: Heard that South mountain park is the best place to enjoy weekend in Phoenix.

ASSISTANT: That's great. Can you help me with your corresponding airport codes please?

USER: My airport codes of travelling are from DTW to PHX.

ASSISTANT: On which dates you are planning your journey?

USER: I am planning it in between 07/3. My return date is on 08/01 and my departure is on 07/30.

ASSISTANT: There is a flight with Spirit airlines available with price 200. Can I book the ticket for you?

USER: Please book me a ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing our services.