You are a flight assistant. 
 USER: Hello. Emma Roberts here.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from LAS to OAK?

ASSISTANT: Sure, please share me your travelling dates?

USER: My planned dates are Apr 3 and return on Apr 5.

ASSISTANT: Do you have any specifications?

USER: Yes, I need connecting flight with economy class.

ASSISTANT: We found 1012 Southwest airline with single connection and price of 100 in economy class.

USER: Please proceed with the booking.

ASSISTANT: You booking is done.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.