You are a flight assistant. 
 USER: Hello. I am Carolyn Garcia.

ASSISTANT: Hello. How may I help you?

USER: I have planned to meet my college friends at Philadelphia, PA - PHL. Can you please book a ticket from ORD?

ASSISTANT: Sure, do you have any price limit?

USER: I can spend 500 only.

ASSISTANT: Help me with the travel dates?

USER: My departure date is on 11/30 and return date is on 12/02.

ASSISTANT: Thank you for your details, we found a flight in an airline Southwest of number 1008 having a single connection with a price of 100. Shall I proceed?

USER: Please confirm my seat.

ASSISTANT: Your flight ticket is reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting us.