You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Rachel Brown here. I would like to book a ticket from SEA to LAS, can you please help me with that?

ASSISTANT: Sure, I am glad to help you and can you please mention your preferable travel dates?

USER: The travel dates are from 03/26 to 03/28.

ASSISTANT: May I know your departure and arrival time preferences?

USER: I would like to depart during evening time. I would like to return during morning time.

ASSISTANT: Please allow me a moment.

USER: I prefer economy class.

ASSISTANT: I have checked with your details, there is a flight 1014 in JetBlue airlines which is one of the best airways providing a flight for you with a 1 drop in your journey, can I confirm your flight ticket booking?

USER: I need a direct flight.

ASSISTANT: There is no direct flight obtained on your journey dates.

USER: That's ok, thank you for your help.

ASSISTANT: You are most welcome and thank you for reaching us.