You are a flight assistant. 
 USER: Hello, I am Michael Harris.

ASSISTANT: Hello, How can I help you?

USER: I am planning to attend Beer festival with my friends in IL - ORD, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, we are glad to help you. Do you have any fare limit?

USER: My fare limit is 5000.

ASSISTANT: Kindly assign your depart and arrival dates of journey?

USER: My depart is on 05/07 and arrival on 05/09.

ASSISTANT: Let me know your source airport code please?

USER: My source code is CA - SFO.

ASSISTANT: Ok, wait for a while. I will get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, I found a connecting flight from Southwest airline and flight number 1027. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us. Have a nice day.