You are a flight assistant. 
 USER: Hi, I am Betty Taylor.

ASSISTANT: Hello, How may I help you?

USER: I would like to visit Denver, to participate in the Lantern fest.

ASSISTANT: Ok.

USER: Could you please help me to book a flight ticket to CO - DEN?

ASSISTANT: Sure. Could you please share your origin?

USER: My origin starts from AZ - PHX.

ASSISTANT: Do you specify any price limit?

USER: I have a price limit of 1000.

ASSISTANT: Please share your travelling dates.

USER: My travelling dates are: 03/03 and 03/05.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Yes, there is a flight that matches your requirements. Your flight number is 1023. There is one connecting flight with Spirit airline. Price limit is 100.

USER: Ok, please proceed for booking.

ASSISTANT: Sure. Your ticket is reserved.

USER: Thank you for your good response.

ASSISTANT: Thanks for reaching us.