You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit New York for a business seminar, can you please reserve a flight ticket from SEA to LGA?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: Thank you, my boarding is on June 05 and please book my return ticket on June 07.

ASSISTANT: May I know your name please for booking purpose?

USER: Sure, my name is David King.

ASSISTANT: Do you have any connection preference?

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

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: I found an economy class in United Airlines with fare 100 and it has single connection. Can I book your ticket?

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

ASSISTANT: Ok, your booking is confirmed with flight number 1005.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.