You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need a direct flight, could you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: My travelling dates are Nov 24 and Nov 26.

ASSISTANT: Please mention your journey airport codes?

USER: Sure, my travelling airport codes are PHX and ORD.

ASSISTANT: May I know your connection limit?

USER: I have already mentioned above.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I need a normal cost airline.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: No worries, thank you for the information.

ASSISTANT: May I know your name for our documentation purpose.

USER: I am Stephen Thompson.

ASSISTANT: Thank you for reaching our service.