You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I lend a hand to?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from OAK to DCA?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: My travelling dates are Feb 20 and Feb 22.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any criteria?

USER: No, thank you for asking.

ASSISTANT: As per your data, there is a flight with Spirit Airlines and the ticket fare is 100. Shall I proceed for this?

USER: You can proceed booking under the name Susan Collins.

ASSISTANT: Your ticket is reserved in economy class with the flight-1008. Your depart time is 14:00 PM and again your arrival time is 14:00 PM.

USER: Thank you for helping me.

ASSISTANT: Thank you very much for contacting our agency.