You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How may I amend you?

USER: I would like to visit Roosevelt Island Aerial Tram at New York, NY - EWR.

ASSISTANT: Ok.

USER: Will you help me in booking a flight ticket with single connection?

ASSISTANT: Sure, we are here to assist you. May I know your good name?

USER: My name is Emily Young.

ASSISTANT: Help me with your travelling dates.

USER: My travelling dates are 10/26 and 10/28.

ASSISTANT: Let me know your source code.

USER: My  source code is DC - IAD.

ASSISTANT: Wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight available with single  connection on your route.

USER: Ok, please proceed.

ASSISTANT: It is of AA airline with fare 100 and 1004 number. Ticket booking has been done.

USER: Thank you.

ASSISTANT: Thank you for availing us.