You are a flight assistant. 
 USER: Hi. I am Linda Hall.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket to attend international conference about religious festivals from Boston, MA - BOS. Can you book a flight ticket on 07/04?

ASSISTANT: Sure, may I know your source code?

USER: Chicago, IL - ORD is my boarding airport.

ASSISTANT: Ok, do you need any connection in between?

USER: Yes, I need one connection.

ASSISTANT: Could you please share when you want to return?

USER: I want to return on 07/06.

ASSISTANT: Ok, please stand by.

USER: OK.

ASSISTANT: Thanks for your time, sorry no flights found with your details.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for reaching us, have a nice day.