You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Seattle SEA from Denver DEN. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my itinerary dates are on Mar 30 and return on Apr 01.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No, thanks for asking.

ASSISTANT: Your good name please.

USER: Yes, I am Helen Scott.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an airline: Southwest, flight number: 1024 and price is 100 with one connection.

USER: Please proceed with the ticket booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.