You are a flight assistant. 
 USER: Hello. I am Lisa Johnson.

ASSISTANT: Hello Lisa, how may I help you today?

USER: Can you book a ticket for me from SEA to IAD?

ASSISTANT: Sure, can I know your travelling dates?

USER: My planning dates are from 05/13 to 05/15.

ASSISTANT: There is a flight for you in Spirit airline with 1 connection. Shall I proceed with the booking?

USER: That's good, please proceed.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1007.

USER: Thank you for your help.

ASSISTANT: It's my pleasure to help you.