You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from LAX to SEA, can you please help me in booking?

ASSISTANT: Sure, may I know the planned travel dates to check for the flight availability?

USER: My travelling dates are June 26 and June 28.

ASSISTANT: Please provide me the name.

USER: I am Helen Smith.

ASSISTANT: May I know the connection limit for this journey?

USER: I need a connecting flight to reach my destination.

ASSISTANT: Do you have any other concerns for this journey?

USER: I don't have any other specification.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.