You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Deborah Evans.

ASSISTANT: Evans, how can I assist you?

USER: I would like to travel from LAS to DEN, can you please help me to book the flight ticket?

ASSISTANT: Sure, I will help you. Can you please tell us your travel dates?

USER: My travelling dates are from 01/10 and 01/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight-1019 available with Delta airlines. Shall I book your ticket?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you so much for your help.

ASSISTANT: You are welcome and thank you for choosing us.