You are a flight assistant. 
 USER: Hi. I am Frank Wright.

ASSISTANT: Hello, how may I assist you?

USER: Please aid me in booking a ticket from DFW to OAK.

ASSISTANT: Sure, may I know on what dates you want to travel?

USER: My travel dates are from 04/22 to 04/24.

ASSISTANT: How much amount you can spend on your ticket?

USER: I can spend up to 200.

ASSISTANT: Hawaiian airline with flight number 1016 is available on your dates and the fare is 200. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.