You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning my trip to travel Charlotte. Can you please help me in reserving the ticket from PHX to CLT?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to travel on Sept 14 and again I will return back on Sept 16.

ASSISTANT: Do you have any limits on number of connections?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name for the booking process?

USER: Myself Debra Wilson.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Welcome, thank you for reaching us.