You are a flight assistant. 
 USER: Hello, I am Jeffrey Hill.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend my family function in New York, can you please help me to book a flight ticket on 05/15?

ASSISTANT: Sure, can you please share your airport locations?

USER: I want to travel from SEA to LGA.

ASSISTANT: May I know your other date of travelling?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you need any halt in between journey?

USER: I need a halt. I intend to return on 05/17.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, no flights found on that route.

USER: Ok, no worries at all. Thanks for your information.

ASSISTANT: Thank you for opting us.