You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicholas Green.

ASSISTANT: How may I guide you today?

USER: Can you please book a ticket from SFO to LAS, to meet my sister to celebrate her birthday.

ASSISTANT: I will help you with that. Can you please share your journey dates?

USER: Thank you, my planned dates 09/14 and 09/16.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I found a ticket for you with price 200, flight number is 1027 and connection is 1. Is it ok for you?

USER: Ok, you can book the ticket for me.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.