You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you aid me to book a ticket from PHL to ORD?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are Mar 25 and Mar 27 respectively.

ASSISTANT: Do you need a connecting flight?

USER: Make sure that connection limit is single.

ASSISTANT: Do you have any other specifications?

USER: No other specifications for me.

ASSISTANT: Can I know your good name?

USER: Daniel Lee here.

ASSISTANT: Thank you for your details, we found a connecting flight 1023 in economy class.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with a Delta airline.

USER: Thank you for the help.

ASSISTANT: Thank you.