You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please reserve me a flight ticket from MSP to ORD?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to depart on May 12th and return on May 14th.

ASSISTANT: Do you have any airline preferences?

USER: Yes, I want a normal-cost airline.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want a break in between my journey.

ASSISTANT: There is a flight with ticket fare 200 in UA airlines with a stopover in economy class. Is it ok for you?

USER: Yes, please book.

ASSISTANT: Can you please provide your name to proceed further?

USER: I am Christine Collins.

ASSISTANT: Your booking is confirmed with flight number 1004. Departure time is 15:00 PM and arrival time is 7:00 AM.

USER: Thank you.

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