You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from IAD to LAS to go for Sports festival?

ASSISTANT: Sure, I can do that for you. Could you please help me with your travel dates?

USER: My travelling dates are Mar 1 and Mar 3.

ASSISTANT: Thank you. May I know your name?

USER: Sure, I am Emily Martin.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: There is a flight having zero connection in Delta Airlines and the ticket fare is 200 only. Flight departs at 8:00 hours and arrives at 16:00 hours. Can I book the ticket for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1014.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.