You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to book a ticket from CLT to DTW?

ASSISTANT: May i know your travel dates?

USER: Ok, please book a ticket for the dates Jan 3 and 5.

ASSISTANT: Do you have any connecting preferences?

USER: Ok, please book a connecting flight.

ASSISTANT: May I know your name please?

USER: Ok, please book on the name Nicole Thompson.

ASSISTANT: No flights found as per your preferences.

USER: That is not a problem, thank you for assisting me.

ASSISTANT: Thank you.