You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Please help me to book a flight ticket in my preferable travel dates Feb, 23 and Feb, 25.

ASSISTANT: Sure, do you need a lay by in between your journey?

USER: Yes, I need 1 lay by with in my route.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: AUS and LGA are my airport codes.

ASSISTANT: Are there any other specifications?

USER: My depart time should be at morning.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Brenda Carter.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.