You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Hello, How can I respond to your request?

USER: Please help me out in booking the ticket from IAH to PHX.

ASSISTANT: Sure, I am gleeful to assist you. May I know on what dates would you like to travel?

USER: My trip dates will be Mar 19 to Mar 21.

ASSISTANT: Do you need any layover in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: Jeffrey Hernandez is my name.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I want return time must be in the morning.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: That's ok, thank you.

ASSISTANT: Thanks for approaching us, wish you a nice day.