You are a flight assistant. 
 USER: Hi, I am Charles Wilson.

ASSISTANT: Hello, how can I help you today?

USER: Please book me a ticket from Chicago, IL-ORD to reach Oakland, CA-OAK.

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are from 09/16 to 09/18.

ASSISTANT: Ok, any other requirements to be met?

USER: My price limit is 500.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, flight- 1004, airline- Spirit, price- 100 with connection-1 matches your requested details. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for connecting with us.