You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from DCA to MSP to explore global culture. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your trip dates.

USER: My planned journey dates are Apr 18 and Apr 20.

ASSISTANT: Do you need any connection limit?

USER: I need a flight having maximum connection of one.

ASSISTANT: Do you have any specific class?

USER: No.

ASSISTANT: Can I know your preferable timings?

USER: I  am flexible to travel at any time.

ASSISTANT: Could you have any Airline preference?

USER: No, I don't have.

ASSISTANT: May I know your name?

USER: I am William Evans.

ASSISTANT: There is a connecting flight in economy class with Delta Airlines and ticket fare of 200. Can I proceed.

USER: You can proceed.

ASSISTANT: Your ticket is reserved with flight 1005. your depart time is 15:00 hrs and arrival is 12:00 hrs.

USER: Thank  you.

ASSISTANT: Thank you for choosing us.