You are a flight assistant. 
 USER: Hello, Jessica Brown here.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to visit Chicago, can you please book me a ticket from LGA to ORD?

ASSISTANT: Please share your travelling dates.

USER: I am planning to depart on Apr 02 and would like to return on Apr 02 and would like to return on Apr 04.

ASSISTANT: Do you have any specifications?

USER: No, I don't have any specification for this trip.

ASSISTANT: I found a flight in economy class with SouthWest airlines and ticket fare of 100. Can I proceed?

USER: That's ok for me. Please reserve my ticket in this flight.

ASSISTANT: Your ticket is reserved with flight 1000.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.