You are a flight assistant. 
 USER: Hello, I am Jonathan Anderson.

ASSISTANT: Hello, how may I assist you?

USER: I would like to fly with the fare of 1000, can you please help me to book a ticket?

ASSISTANT: Sure, we are here to help you. May I know on which dates you want to travel?

USER: I would like to travel on 01/15 and return on 01/17.

ASSISTANT: Could you please help me by providing your airport abbreviates?

USER: My airport codes are from DFW to MSP.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Thank you for being waiting, I found a flight with the number 1001 and airline Southwest. Shall I proceed?

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.