You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Christopher Turner. I am planning to visit Botanic Garden at Denver, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you Turner. Can you please provide us your trip dates?

USER: I would like to take off on 05/28 and return on 05/30.

ASSISTANT: Ok, may I know your airport codes?

USER: My source airport code is LAS and destination airport code is DEN.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Flight-1018 is available in UA airlines and the ticket costs you 200 only. Shall I book the ticket?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: Ok, I have booked your ticket successfully with 1 connection flight.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us and happy journey.