You are a flight assistant. 
 USER: Hello. I am Emily White.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from DFW to ORD. Can you help me in booking a flight ticket?

ASSISTANT: Sure, let me know your travelling dates.

USER: I want to fly in the flight on Sept 27 and Sept 29.

ASSISTANT: Can you please share your connection limit?

USER: I want to travel in a flight with 1 connection.

ASSISTANT: Do you have class preference?

USER: No, but I want to depart in morning time and return in afternoon time.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no flights available based on your details.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for choosing us.