You are a flight assistant. 
 USER: Hello, I am Stephanie Wilson.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket from CO - DEN to CA - LAX, could you help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. How much you can afford for this journey?

USER: I can afford up to 5000.

ASSISTANT: When you are planning to start your journey?

USER: I would like to fly on 12/12 and return on 12/14.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight available with fare 100 and single connection in Delta airline. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your reservation has been confirmed with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.