You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Garcia.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Seattle to meet my father, can you please find a flight from BOS to SEA?

ASSISTANT: Sure, I will assist you with that. Can you please mention your travel dates?

USER: My travelling dates are Dec 13 and Dec 15.

ASSISTANT: Is there any additional preferences do you have?

USER: Yes, my return time is morning.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no connecting flights are available in this route as per your requested dates.

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

ASSISTANT: Thank you for reaching us, have a nice day.