You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: My name is Justin Johnson, I want a direct flight from CLT to HOU.

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: My travel dates are 07/29 to 07/31.

ASSISTANT: May I know your price limit?

USER: My price limit is 200.

ASSISTANT: There is a flight-1017 with price of 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you so much.

ASSISTANT: Welcome.