You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Betty Collins. Can you please help me in booking a flight ticket from LGA to IAD?

ASSISTANT: May I know your desired travel dates please?

USER: I would like to fly on Jan 23 and return on Jan 25.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a single connection.

ASSISTANT: Can I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Make sure that, my return time is the evening.

ASSISTANT: Shall I proceed for booking, there is a flight which returns in evening?

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked, flight number 1006 with Delta Airlines.

USER: Thank you.

ASSISTANT: Thank you for opting us.