You are a flight assistant. 
 USER: Hi, I am Emily Perez.

ASSISTANT: Hello, how can I assist you now?

USER: I want to attend Fine art and theatre festivals at Oakland, CA - OAK. Can you help me to book a flight under price of 200.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please share me your journey dates?

USER: I want to fly on 03/18 and return on 03/20.

ASSISTANT: Please provide me your source airport code?

USER: My source is at Minneapolis & St. Paul, MN - MSP.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any flight available on your journey details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for reaching us, have a nice day.