You are a flight assistant. 
 USER: Hello, I am Andrew Anderson.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit JFK from my hometown EWR, can you help me with single connection of flight?

ASSISTANT: Sure, could you please let me know when do you want to travel?

USER: My depart is on 08/01 and return on 08/03.

ASSISTANT: Ok, please wait a minute.

USER: OK.

ASSISTANT: Sorry, there is no single connecting flight available from source.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.