You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket from SFO to LAS for my business meeting.

ASSISTANT: Sure, can you share your trip dates?

USER: Thank you, my boarding is on Mar 01 and please book my return ticket on Mar 03.

ASSISTANT: Do you have any connection limit?

USER: Yes, I would prefer single connection for my journey.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please forward your name.

USER: Sure, my name is Linda Williams.

ASSISTANT: We found a connecting flight of fare 200 with airline United and number 1020. Can I book?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.