You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me to search a flight from Denver, CO-DEN?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: The trip dates are 01/15 to 01/17.

ASSISTANT: Ok, can you please provide me your destination airport code?

USER: The destination airport code is TX-IAH.

ASSISTANT: May I know your name?

USER: Sure, my name is Deborah Mitchell.

ASSISTANT: I have found a flight for you in Southwest airlines, can I book the ticket for you?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket is booked successfully with the flight-1014.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us and have a nice day.