You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brandon Lee. I am planning to visit Chicago ORD from PHL. Can you make a reservation for me?

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my planned trip dates are on June 26 and return on June 28.

ASSISTANT: At what time do you like to travel?

USER: I want to travel in the afternoon time.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, not an problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.