You are a flight assistant. 
 USER: Hello. I am Jonathan Williams.

ASSISTANT: Hello Williams, how can I help you today?

USER: I am planning to meet my friends, who stays in DFW. I need your help in booking a ticket from SEA.

ASSISTANT: Sure, I can help you. Can I know your travelling dates please?

USER: My planning dates are from 09/07 to 09/09.

ASSISTANT: We found a flight for you in UA airline with 1 connection. Shall I proceed with the booking?

USER: That's great, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1001.

USER: Thank you for your help.

ASSISTANT: You are most welcome.