You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Shirley Perez here. Can you please help me in booking a flight ticket from EWR to SEA?

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to travel on Aug 12 and return on Aug 14.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Yes, my departure time must be morning.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I would like to prefer connecting flight.

ASSISTANT: Sorry, there are no flights available on given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.