You are a flight assistant. 
 USER: Hello, I am Helen Adams.

ASSISTANT: Hello, what can I do for you?

USER: I have an seminar at Harvard campus in Boston. Can you book me a ticket from WA - SEA to MA - BOS?

ASSISTANT: Sure, please share your planned dates.

USER: I would start on 01/13 and return on 01/15.

ASSISTANT: May I know your budget?

USER: I can pay up to 1000.

ASSISTANT: Ok, we found a flight in Spirit airlines with 1012 number and the fare is 700.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.