You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from LAX to LAS.

ASSISTANT: When are you planned to travel?

USER: Sept, 23 and Sept, 25 are my planned travel dates.

ASSISTANT: May I know your name?

USER: Jason Davis here.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight with economy class.

ASSISTANT: We found a economy class flight on your details with Delta Airlines, flight number: 1016. Shall I book this ticket?

USER: Please proceed but my depart time should be at morning.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.