You are a flight assistant. 
 USER: Hello, Emma Lee here.

ASSISTANT: Hello, can you please tell me how can I aid you?

USER: I want to take part in a fashion show, could you book my ticket from DEN to OAK?

ASSISTANT: Ok, please provide me your travel dates?

USER: My travel dates are 07/21 and 07/23.

ASSISTANT: Ok, I found a flight ticket with price 100 and connection limit is 1.

USER: Perfect, please confirm my ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.