You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Amanda Martinez here. Can you please help me in booking my flight from EWR to reach IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my travel dates are Apr 25th and 27th.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your depart time and return time?

USER: I want to depart in the afternoon and arrive in the morning time.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not a problem. Anyways, thank you.

ASSISTANT: Thank you for choosing us.