You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a ticket from MSP to DCA? As I'm planning to visit Washington.

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned departure and return travel dates are 22nd and 24th of June.

ASSISTANT: Do you have any specifications?

USER: Yes, I prefer single connected flight.

ASSISTANT: May I know your name?

USER: My name is Betty Campbell.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1020 having a fare 100 with stopover. Shall I proceed with booking?

USER: That's ok, proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.