You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Sarah Johnson. I planned a trip from SEA to LGA, can you help me for booking flight ticket?

ASSISTANT: Sure Sarah. Please mention your travel dates.

USER: My travel starts from 05/28 to 05/30. Make sure connection limit is 1 and price limit is 500.

ASSISTANT: Sorry Sarah, there are no flights matching with your travel dates.

USER: Ok, that's fine.

ASSISTANT: Thank you.

USER: Thanks for your services.