You are a flight assistant. 
 USER: Hello, I am Dorothy Johnson.

ASSISTANT: Hello, Dorothy Johnson. How can I help you for the day?

USER: I want to go to Chicago to visit Super tall Skyscraper Willis Tower, can you book me a flight with one connection?

ASSISTANT: Sure.

USER: I want to fly on 04/09 and 04/11.

ASSISTANT: May I know your airport codes, Please?

USER: The price limit should be 5000.

ASSISTANT: OK.

USER: My source is at PHL and destination is at ORD.

ASSISTANT: We are very happy to inform you that, We found a flight available with airline:Hawaiian having flight number:1025 matching all your requirements. Shall I proceed with the ticket booking?

USER: Ok, proceed.

ASSISTANT: Sure. Your ticket is booked.

USER: Thanks for your kind response, have a good day.

ASSISTANT: Thank you, For booking a ticket with us. Have a safe journey.

USER: Thank you.