You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am looking for a flight from SFO to LAS, can you please help me in booking?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are Oct 24 and Oct 26.

ASSISTANT: Ok, could I have your name please?

USER: My name is Sharon Green.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I want to depart in morning.

ASSISTANT: Sorry, there is no flight with your requested time.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, have a great day.