You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa King.

ASSISTANT: How can I assist you today?

USER: I want to attend for an interview in Philadelphia, so please book a flight ticket from CLT to PHL.

ASSISTANT: Sure, can you please share your travel dates?

USER: My departure day is Nov 18, return day is Nov 20.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Melissa King, there is a flight available with price 200 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: If the depart time is morning, then only you can proceed to booking.

ASSISTANT: Your booking is confirmed with 1002 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.