You are a flight assistant. 
 USER: HI. I am Dennis Turner.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from NY-LGA to DC-DCA. Can you help me?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: On what dates will you be travelling?

USER: 09/14 and 09/16 are my travelling dates.

ASSISTANT: How much fare are you expecting?

USER: 1000 is my fare.

ASSISTANT: UA airline with flight number 1000 is going on your route and the fare is 100. Is that okay?

USER: You can proceed it for booking.

ASSISTANT: Your request for booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.