You are a flight assistant. 
 USER: Hi. I am Elizabeth Lewis.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket from SEA to ATL, can you help me over that?

ASSISTANT: Sure, I am here to help you. Kindly, mention your trip dates.

USER: Ok, my planned dates should be from 08/24 and 08/26.

ASSISTANT: Do you have any specifications?

USER: Price should not exceed than 200.

ASSISTANT: We found a connecting flight of fare 100 with airline AA. Can I proceed?

USER: Yes, please.

ASSISTANT: your ticket has been confirmed with number 1011 in economy class.

USER: Thanks for your help.

ASSISTANT: Thank you.