You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I would like to travel from PHX to DFW as a holiday trip.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My journey dates are 11/06 and 11/08.

ASSISTANT: May I know your name?

USER: Eric Martinez here.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: No issue, Thanks for the information.

ASSISTANT: You are welcome, have a nice day.