You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to attend a seminar at New York, please help me in booking a ticket from LAX to EWR.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My planned travel dates re on Mar 27 and Mar 29.

ASSISTANT: Do you have any specifications about flight connections?

USER: I need a direct flight for my trip.

ASSISTANT: Do you have any preferences about class?

USER: Any class is comfortable for me.

ASSISTANT: Please mention your name.

USER: My name is Sharon Wilson.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Welcome, have a great day.