You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Carolyn Baker here.

ASSISTANT: Welcome to flight booking agency Baker.

USER: Can you please help me in booking a connecting flight from PHX to DFW?

ASSISTANT: Sure, may I know your planned dates of travelling?

USER: Sure, my planned travel dates are from 05/07 to 05/09.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that there is no flights moving to your region with your planned dates of travelling.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us, hope you have a great day.

USER: Thank you for the information.