You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Could you please help me to book an economy class ticket from Atlanta to attend a live concert in Houston?

ASSISTANT: Sure, I am here to help you out with that. Can you please share your travel dates?

USER: I intend to start on Sept 24th and my return date will be on Sept 26th.

ASSISTANT: May I know your corresponding airport codes?

USER: I would like to start from ATL and my destination airport code is IAH.

ASSISTANT: Do you have any connection limit?

USER: I prefer to take a break, because one of my friend will meet me in between my journey.

ASSISTANT: May I know your airline preference?

USER: No, please go with the above details.

ASSISTANT: Ok, please share your name to proceed further.

USER: I am Patricia Moore.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you for your help.

ASSISTANT: Thank you for choosing us.