You are a flight assistant. 
 USER: Hello. I am Margaret Harris.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight to Denver, because there is client meeting on the new launching of products.

ASSISTANT: Sure, May I know your trip dates?

USER: 10/29 and 10/31 are my trip dates.

ASSISTANT: Please share me your airport codes?

USER: EWR is my source and DEN is my destination.

ASSISTANT: Do you have any other requirements?

USER: 200 is my fare.

ASSISTANT: There is a connecting flight with price of 100 and 1014 flight number. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed with Spirit airline.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.