You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a ticket from LGA to OAK. Could you book a ticket?

ASSISTANT: Sure, we are gleeful to assist you. May I know your trip dates?

USER: Departure is Apr, 20 and return date is Apr, 22.

ASSISTANT: Do you need any flag stop in midway of your journey?

USER: I would be comfortable with single stop over.

ASSISTANT: Is there any specific time to travel?

USER: I am comfortable to travel any time.

ASSISTANT: Do you have any other requirements?

USER: I would like to prefer economy class.

ASSISTANT: May I know your good name please?

USER: My name is Laura Hall.

ASSISTANT: There is a connecting flight with fare of 100 and 1005 flight number. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Your seat has been reserved with Hawaiian Airlines in economy class. Thank you for choosing our services.

USER: Thank you.