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

ASSISTANT: Hello,. How can I help you?

USER: I want to book a ticket from Chicago IL - ORD to Boston MA - BOS.

ASSISTANT: Sure, can you provide your travelling dates?

USER: Sure, My departure date on June 12 and return on June 14.

ASSISTANT: OK, may I know your price limit and connection limit?

USER: Sure, My price limit is 500 with one connection.

ASSISTANT: OK, please wait for minute.

USER: Sure.

ASSISTANT: Thanks, for waiting. I found 1 flight regarding your information.

USER: OK.

ASSISTANT: Can I proceed, with the booking.

USER: Yes, You can proceed.

ASSISTANT: OK, your airline: South West, and flight number is 1004.

USER: OK, Thank you.

ASSISTANT: Thank you, for contacting with us.