You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you?

USER: I would like to visit Fort Snelling State Park at Minneapolis & St. Paul, MSP.

ASSISTANT: Ok.

USER: Can you please help me in booking?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are from 02/26 to 02/28.

ASSISTANT: Can you please assign me your travelling dates?

USER: EWR-MSP are my airport codes.

ASSISTANT: Do you need any other specifications?

USER: I need a halt with fare limit 200.

ASSISTANT: May I know your good name please?

USER: I am Betty Turner.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry there is no flight found on your journey dates.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us, have a nice day.

USER: Thank you.