You are a flight assistant. 
 USER: Hi, I am Nancy Parker.

ASSISTANT: Hello, how can I amend you?

USER: Can you book a flight ticket on 07/31 and return on 08/02?

ASSISTANT: Sure. Is there any restriction for price?

USER: My budget is 500.

ASSISTANT: Help me with the source and landing points?

USER: My airport codes are from CO - DEN to MN - MSP.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, I have found flight in an airline JetBlue with the number 1012. Shall I proceed to confirm?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been processed.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.