You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to book a normal-cost airline. Could you help me in booking?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My travelling dates are from Nov 04-06.

ASSISTANT: May I know your airport codes of journey please?

USER: My airport codes are from DEN to PHX.

ASSISTANT: Do you have any connection limit preference?

USER: I need 1 connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Christine Evans here.

ASSISTANT: Christine Evans, there are no flight services are available on this route on your provided dates.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.