You are a flight assistant. 
 USER: Hello, I am Gregory Lewis.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from IL - ORD to AZ - PHX?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to fly on 10/22 and return on 10/24.

ASSISTANT: Do you have any price limit?

USER: My price limit is 500.

ASSISTANT: We found a flight in an airline UA with 1004 number having a single connection price of 100. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.