You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you reserve me a ticket from DCA to EWR?

ASSISTANT: Sure, can you share your trip dates?

USER: My journey dates are July 08 to 10.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Raymond Nelson here.

ASSISTANT: There is a connecting flight with number 1007 in airline Southwest airline, the fare is 100 in economy class. Can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved, the depart time is 15:00 hours and return time is 17:00 hours.

USER: Thank you.

ASSISTANT: Thank you for reaching us.