You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: Please make a reservation with the name of Jason Edwards to ORD.

ASSISTANT: Sure, please share me your source airport code.

USER: My source is from BOS.

ASSISTANT: Is there any class preferences for you?

USER: I am comfortable with any class.

ASSISTANT: May I know your dates of your journey?

USER: My travel dates are May 06 and May 08.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share me your other preferences.

USER: I want to return in the afternoon.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.