You are a flight assistant. 
 USER: Hello, I am John Harris.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Minnehaha park at Minneapolis, can you please book me a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are from 09/25 to 09/27.

ASSISTANT: Can you please share your source and destination codes?

USER: My source is IAH and destination is MSP.

ASSISTANT: May I know your price limit?

USER: Sure, I can afford 1000.

ASSISTANT: Thanks for providing your information. We are glad to say that, we found an airline: Spirit, flight number: 1026 with a single connection and price is 100. Shall I proceed to booking?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.