You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to book a ticket to attend a meeting at LAX. Can you please help me out to book a ticket from SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: I am planning to travel on June 19 and return back on June 21.

ASSISTANT: Do you have any preferences?

USER: My depart time is evening.

ASSISTANT: May I know your name?

USER: My name is Melissa Thompson.

ASSISTANT: There is a connecting flight with number 1005 in airline Delta, the fare is 200 in economy class. Can I book it?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is reserved, the depart time is 1:00 hours and return time is 11:00 hours.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.