You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Debra Thompson. Can you aid me in booking a flight ticket from LAS to SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates will be Mar, 26 and Mar, 28.

ASSISTANT: Do you have any preferences?

USER: My depart time should be at evening and I need a connecting flight.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1001 in airline UA, the fare is 400 in economy class. Can I book it?

USER: Please go ahead.

ASSISTANT: Your ticket is reserved,the depart time is 23:00 PM and return time is 1:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.