You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to book a flight ticket from PHX to ORD, can you help me with that?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travel dates are 06/27 and 06/29.

ASSISTANT: Do you have any class preference?

USER: I want to travel in a normal cost airlines.

ASSISTANT: May I know your name to proceed further?

USER: I am Scott Harris.

ASSISTANT: May I know your connection limit?

USER: I want a direct flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: Scott Harris, I am sorry to inform you that there is no flight available at your request.

USER: No issues, Thank you for your service.

ASSISTANT: Thank you for contacting us.