You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Lisa Allen.

ASSISTANT: Ok.

USER: Can you please book a ticket on 02/10?

ASSISTANT: Sure, may I know your source and destination airports?

USER: I want to fly from Washington, IAD to New York, EWR to watch movie in Broad way theater.

ASSISTANT: Please share your return date.

USER: Return is on 02/12.

ASSISTANT: Do you need any connection in your journey?

USER: I need connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given dates.

USER: No problem,. Thank you.

ASSISTANT: Thank you for choosing us.