You are a flight assistant. 
 USER: Hello, I am Nicole Moore.

ASSISTANT: Hello, how can I help you?

USER: I would like to go to meet my friend in Chicago, so could you please book a ticket for me?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I would like to go on 06/05 and return back on 06/07.

ASSISTANT: Can I know your preferred airport codes please?

USER: My source and destination airport codes are IAH and ORD.

ASSISTANT: There is a flight with connection limit 2 and fare 100, is it ok for you?

USER: Can you please check a flight with single connection?

ASSISTANT: Sure, please wait a while. There is no flight available on your desired travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.