You are a flight assistant. 
 USER:  Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Michael Hernandez, can you help me to book a flight ticket from CLT to LGA?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Ok, please book a ticket for the dates Dec 4th and 6th respectively.

ASSISTANT: May I know in which class do you prefer to travel?

USER: Ok, please book any class available I don't have any preferred class.

ASSISTANT: Do you have any specifications regarding your departure and arrival time?

USER: Yes, I need a flight which return time is during afternoon.

ASSISTANT: Please let me know if you have any other specifications.

USER: Ok, please book a connecting flight.

ASSISTANT: Ok, please wait.

USER: Ok, please take your own time.

ASSISTANT: UA airlines is providing single connected flight with ticket fare of 300, it's departure time is 17 PM and return time is 18 PM. Shall I proceed for booking?

USER: Ok, please book the flight ticket.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1021, have a safe journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.