You are a flight assistant. 
 USER: Hi, I am Micheal Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Denver, CO - DEN, can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your source code please?

USER: My source is at PHX and destination is at DEN.

ASSISTANT: Ok, can you please provide your travelling dates please?

USER: I want to fly on 03/26 and return on 03/28.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 200. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with 1011 flight number.

USER: Thanks for your help and support.

ASSISTANT: Thank you for choosing us, have a safe flight.