You are a flight assistant. 
 USER: Hi. I am John Martinez.

ASSISTANT: Hello, how can I best help you?

USER: I need to fly on 03/05 to 03/07 to attend for conference, so please book a flight with a connection.

ASSISTANT: Sure, may I know your travelling dates?

USER: I have already mentioned.

ASSISTANT: Can you please share me your airport codes?

USER: Sure, my airport codes are HOU - MSP.

ASSISTANT: Is there any price limit for you?

USER: Yes, my price limit is 500.

ASSISTANT: There is a flight found with Southwest airline of flight number 1000 and fare is 100. Shall I proceed for booking?

USER: Sure, you can confirm my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for connecting us.