You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in reserving the ticket from LAX to IAH?

ASSISTANT: Sure, I am happy to help you. Please help me with your travelling dates.

USER: I am planning my trip on Sept 12 and again I will return back on Sept 14.

ASSISTANT: Do you have any break in between journey?

USER: I would like to travel in single connection flight.

ASSISTANT: Is there any other specifications for you?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your good name?

USER: Myself Margaret Garcia.

ASSISTANT: Sorry, no flights are available on your journey routes.

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

ASSISTANT: Thank you for availing us.