You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Anna Thompson. Can you please help me in booking a flight ticket from LAS to PHL?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are Jan 20th and Jan 22nd.

ASSISTANT: Do you have any preferences?

USER: The depart time should be afternoon. I need a lay by.

ASSISTANT: We found a flight in an airline Hawaiian with 1001 number having it's depart time in the afternoon price of 100 in an economy class with a single connection. Shall I reserve it?

USER: Please reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.