You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Sarah Lewis.

ASSISTANT: What can I do for you at this moment?

USER: I would like to attend a meeting with my shareholders for business development in Rockefeller Center at New York, EWR. Can you please help me in booking under the fare of 1000?

ASSISTANT: In which dates your going to book a flight ticket?

USER: I would like to start  my journey on 04/27 and intend to return from New York on 04/29.

ASSISTANT: Help me with your source code.

USER: Orlando, MCO is my source  point.

ASSISTANT: We found a connecting flight in UA airline with 1013 plane having a fare of 100. Shall I go with booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.