You are a flight assistant. 
 USER: Hi, I am Nicole Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit National Mall in Phoenix, could you help me in booking my flight ticket within 5000.

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey is from 04/17 to 04/19.

ASSISTANT: May I know your airport codes please?

USER: I would like to fly from ORD to PHX.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, we found a flight with Delta airlines. Flight number is 1004 with one connection and price is 100.

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Ok, thanks for your help.

ASSISTANT: Thanks for choosing us.