You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Could you please help me to book a ticket from LAS  to PHL?

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

USER: I would like to travel on Mar 11 and Mar 13.

ASSISTANT: Do you have any particular depart and return time preference?

USER: No.

ASSISTANT: Which class do you prefer to travel?

USER: I am okay with any class.

ASSISTANT: Is connecting flight works for you?

USER: I need a direct flight.

ASSISTANT: Sure, do you have any other request related to your journey?

USER: No.

ASSISTANT: Ok, please share your name to move forward with the booking.

USER: My name is Pamela Mitchell.

ASSISTANT: We have found a direct flight which departs at 13:00 PM and returns back at 22:00 PM. It is costing 100. Would you like to proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed in economy class of Hawaiian airlines flight, number 1019.

USER: Thank you.

ASSISTANT: Thank you for allowing us to serve you.