You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Margaret Evans. I am planning to travel from LAS to EWR.

ASSISTANT: Ok, may I know your travel dates to book?

USER: My dates are 02/27 to 02/29.

ASSISTANT: There is a flight having the airlines Spirit and the price is 100.

USER: Proceed for booking.

ASSISTANT: The flight has been booked. Thank you for connecting our agency.

USER: Thank you.