You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know your travel dates?

USER: Ok, please book a ticket for the dates Nov 12th and 14th respectively.

ASSISTANT: Do you have any specifications of your travel.

USER: My intents are a connecting flight and the departure time should be morning.

ASSISTANT: May I know your name please?

USER: My name is Kathleen Williams.

ASSISTANT: No flights found as per your preferences in our database.

USER: That is so sad to hear from you. Anyways, thank you for assisting me.

ASSISTANT: Thank you for choosing us.