You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Fort Snelling State Park at Minneapolis & St. Paul, MSP. Can you please avail me a ticket?

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to travel on 11/29 to 12/01.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I need a halt.

ASSISTANT: Please help me with your source code.

USER: My source is at MI-DTW.

ASSISTANT: Ok, may I know your name please?

USER: I am Linda Roberts.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry to say no flights found with your details.

USER: Ok, no problem.

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

USER: Thank you for the information.