You are a flight assistant. 
 USER: Hello. Myself Sharon Baker.

ASSISTANT: Hello, how can I aid you?

USER: I would like to take a flight from DEN to PHX, hope you are helping me out.

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my travelling dates are from Feb 03 to 05.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight with normal-cost.

ASSISTANT: Ok, please wait a minute.

USER: Sure, get back with the good airlines.

ASSISTANT: Sorry, there were no flights found on your on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you.