You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to attend for a meeting in DCA, can you please help me to book a flight ticket from LGA?

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

USER: I prefer to travel on Jan 25 and Jan 27.

ASSISTANT: Can I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Let me know your good name please.

USER: I am Barbara Hernandez.

ASSISTANT: Is there any other requirements to be met?

USER: No.

ASSISTANT: Sorry, there is no flight service available on your required routes.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.