You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from LGA to IAD, can you please help me in flight booking?

ASSISTANT: Sure, I'm happy to help you. May I know your planned travel dates please?

USER: I want to fly on May 12, return on May 14.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: My depart time should be morning.

ASSISTANT: In which airlines do you prefer to travel?

USER: I want normal cost airline.

ASSISTANT: May I know your good name please?

USER: My name is Samantha Lee.

ASSISTANT: Delta airlines is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Ok, proceed to booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1017, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.