You are a flight assistant. 
 USER: Hello, I am Jason Taylor.

ASSISTANT: Hello Jason. How may I assist you?

USER: I want to attend press conference in Denver, can you help me with reservation?

ASSISTANT: OK, I will help you in booking your ticket. Can you please provide me your travelling dates, so that I can check for availability of flights.

USER: My depart is on 12/11 and destination is 12/13.

ASSISTANT: Ok, may I know the travelling airport codes too?

USER: My origin is LGA and destination is DEN.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Thank you for your patience. There is a flight with airline Frontier with flight number 1023, can I proceed with this flight?

USER: OK, proceed with booking.

ASSISTANT: Ok, I have booked your ticket. Have a happy journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing our services.