You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking the flight ticket from LAS to OAK?

ASSISTANT: May I know your desired travel dates please?

USER: My planned dates of journey are Apr 26 and Apr 28.

ASSISTANT: Do you have any specifications?

USER: I prefer to return in evening flight for this trip.

ASSISTANT: May I know your name please?

USER: My name is Emma Scott.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your ticket is booked, flight number 1025 with Delta Airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.