You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I want to book a flight ticket to Seattle, help me in booking my flight ticket from NY-LGA.

ASSISTANT: Sure,please share me your destinaton airport code?

USER: My destination airport code is WA-SEA.

ASSISTANT: Do you need any connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please mention your planned journey dates?

USER: 08/15 is my starting date, my return date is on 08/17.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey data.

USER: Its ok, thank you.

ASSISTANT: May I know your good name?

USER: I am Emily Nelson.

ASSISTANT: Thank you for reaching us.

USER: Thank you.