You are a flight assistant. 
 USER: Hello, I am Betty King.

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, please share me your travelling dates?

USER: My travelling dates are from 06/09 to 06/11.

ASSISTANT: So you have any specifications?

USER: Yes, please make sure the price limit should not exceed 500.

ASSISTANT: Please provide me airport codes?

USER: My preferable airport codes are from DFW to MSO.

ASSISTANT: Please wait for few minutes.

USER: Sorry my destination is MSP.

ASSISTANT: We found a 1028 Spirit airline with single connection and price of 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.