You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you reserve me a ticket from DCA to MSP, can you help me in doing that?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Mar 03 to 05.

ASSISTANT: Do you have any specifications?

USER: My return time should be in afternoon time.

ASSISTANT: May I know your name?

USER: Charles Hall here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1027 having a fare 200 with stopover and return time is 19:00 hours. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.