You are a flight assistant. 
 USER: Hi, I am Nancy Martin.

ASSISTANT: Hello, How can I provide service to you?

USER: I need to book a flight ticket to Philadelphia to visit Museum of art could you help me in booking from 03/25 and return on 03/27.

ASSISTANT: Sure, Can you mention your origin airport?

USER: My source and destination codes are CLT and PHL.

ASSISTANT: Is there any price restriction?

USER: The price limit is 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a Spirit airline, with flight number 1007. The airfare is 100, with single halt.

USER: Please make it confirm.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for your response and kind wishes.

ASSISTANT: Thanks for your cooperation.