You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking to book a flight ticket from PHX to DFW. Can you help me for that?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are June 07 and June 09.

ASSISTANT: Do you have any other requirements?

USER: I need a single connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Patricia Carter.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: That's ok, thank you for checking.

ASSISTANT: Most welcome.

USER: Welcome.