You are a flight assistant. 
 USER: Hello, I am Emma Edwards.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me in booking a flight ticket from EWR to SEA?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Sure, I would like to go on May 04th and return back on May 06th.

ASSISTANT: Ok, do you have any connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: Ensure the return time is in the afternoon.

ASSISTANT: Ok, do you have any other specifications?

USER: No, I don't have any other requirements.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for choosing us.

ASSISTANT: Welcome, have a nice day.