You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from DCA to ORD, can you help me in doing that?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My journey dates are Oct 25 to 27.

ASSISTANT: Do you prefer any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: Please ensure that my return time is in evening.

ASSISTANT: May I know your good name?

USER: I am Patricia Mitchell.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1018.

USER: Thank you.

ASSISTANT: Thank you for contacting us.